<PAGE>

                                                                    Exhibit 10.9


                           Real Estate Sale Contract
                    Unit 4, 420 W. Huron, Chicago, Illinois

1.   Buyer to Purchase:  Quantum Leap Communications, Inc. (Buyer) agrees to
     -----------------
     purchase at a price of $1,000,000 on the terms set forth herein the
     following described Real Estate (the "Real Estate") in Cook County
     Illinois:

     commonly known as Unit 4 (which includes the entire fourth floor less
     common elements), 420 W. Huron, Chicago, Illinois and with floor area of as
     shown on the condominium survey together with the following presently
     located thereon if any: heating, ventilation, air-conditioning equipment,
     built in furniture, plans, drawings, and specifications, maintenance
     manuals and records, garage door openers and remote control units and the
     like, located at or used in connection with the operation and maintenance
     of the Real Estate owned by Seller.

2.   Seller to Sell:  FTI, Inc. (Seller) agrees to sell the Real Estate and the
     --------------
     property described above, if any, at the price and terms set forth herein,
     and to convey or cause to be conveyed to Buyer or nominee title thereto by
     a recordable warranty deed, with a release of homestead rights, if any, and
     a proper bill of sale subject only to: See Paragraph 25 hereof.

3.   Payment:  Buyer will pay within two business days from date of acceptance
     --------
     $1,000 as earnest money to be applied on the purchase and agrees to pay or
     satisfy the balance of the purchase price, plus or minus prorations at the
     time of closing as follows:  The payment of the balance by cashiers check
     or title company check.  Earnest Money will be increased to $100,000 upon
     satisfaction or waiver of the contingencies described at paragraphs 20 and
     25 hereof.

4.   Survey:  The Real Estate is a condominium unit.  Existing survey has been
     -------
     provided by Seller.

5.   Closing:  The time of closing shall be on or between October 18, 1999 and
     --------
     October 15, 2000, as may be selected by Seller by written notice to Buyer
     or on the date, if any, to which such time is extended by reason of
     paragraphs 10 or 11 hereof becoming operative (whichever date is later)
     unless subsequently mutually agreed otherwise at the office of the mortgage
     lender, if any, provided title is shown good or is accepted by Buyer.
     Notwithstanding the above, the time of closing shall be on the earlier of
     October 15, 2000 or the first business day following the purchase of any
     real property by the Seller after July 2, 1999 that has a purchase price
     equal to or greater than $900,000 or on the date, if any, to which such
     time is extended by reasons of paragraphs 10 or 11 hereof becoming
     operative (whichever is later) at the office of the mortgage lender, if
     any, provided title is accepted by Buyer.


<PAGE>

6.   Brokers Commission:    Seller agrees to pay a Brokers Commission to those
     -------------------
     persons identified as Real Estate Brokers at the end hereof in the amount
     set forth or at the commission rate set forth at the end hereof.  Both
     parties warrant to each other that no brokers are involved in this
     transaction other than those identified at the end hereof.

7.   Earnest Money:  The earnest money shall be deposited in cash.  Cash earnest
     -------------
     money shall be deposited in a strict joint order escrow with Chicago Title
     Insurance Company for the mutual benefit of the parties with the parties
     respective attorneys as signatories. The escrow funds shall be deposited
     into an interest bearing account with the interest payable to Buyer at
     closing provided however that if this contract is terminated due to Buyers
     fault and the earnest money forfeited as provided in paragraph 14 hereof,
     then the interest shall be paid to Seller.  Buyer shall pay any investment
     fees imposed by the escrowee.

8.   Code Matters:  Seller warrants that Seller, its beneficiaries or agents of
     -------------
     Seller or of its beneficiaries have received no notices from any city,
     village or other governmental authority of zoning, building, fire or health
     code violations in respect to the Real Estate that have not been heretofore
     been corrected.  Provided, however, that Condominium Association has
     received a notice of certain required repairs to be made to the elevator
     copies of which have been delivered to Buyer.  Seller will use its best
     efforts to cause the repairs to be completed prior to closing.  If Seller
     is unsuccessful in completing repairs prior to closing then Seller at
     closing will assign to Buyer the contract for repair and credit Buyer with
     the balance of the contract price so that Buyer may cause the repairs to be
     completed.

9.   Duplicate Original:  A duplicate original of this contract, duly executed
     -------------------
     by the Seller, if any, shall be delivered to the Buyer within 2 business
     days from the date hereof, otherwise at the Buyer's option, this contract
     shall become null and void and the earnest money shall be refunded to the
     Buyer.

10.  Title Commitment:  Seller shall deliver or cause to be delivered to Buyer
     ----------------
     or Buyer's agent, not less than 5 days prior to the time of closing, the
     plat of survey and a title commitment for an owner's title insurance policy
     issued by Chicago Title Insurance Company subject only to (a) the general
     exceptions contained in the policy, (b) the title exceptions set forth
     above, and (c) title exceptions pertaining to liens or encumbrances of a
     definite or ascertainable amount which may be removed by the payment of
     money at the time of closing and which Seller may so remove at that time
     using the funds to be paid upon delivery of the deed
<PAGE>

     (all of which are herein referred to as the permitted exceptions). The
     title commitment shall be conclusive evidence of good title as to all
     matters insured by the policy, subject only to the exceptions as therein
     stated. Seller shall also furnish to Buyer an affidavit of title in
     customary form covering the date of the closing and showing title in Seller
     subject only to the permitted exceptions in foregoing items (b) and (c) and
     unpermitted exceptions of defects in the title disclosed by the survey, if
     any, as to which the title insurer commits to extend insurance in the
     matter specified in paragraph 11 below.

11.  Title Defects:  If the title commitment or the survey (if one is required)
     -------------
     discloses either unpermitted exceptions of survey matters that render the
     title unmarketable (herein referred to as "survey defects"), Seller shall
     have 30 days from date of delivery thereof to have the exceptions removed
     from the title commitment or to correct such survey defects or to have the
     title insurer commit to insure against loss or damage that may be
     occasioned by such exceptions or survey defects, and, in such event, the
     time of closing shall be 35 days after delivery of the commitment or the
     time expressly specified in paragraph 5 hereof, whichever is later.  If
     Seller fails to have the exceptions removed or correct any survey defects,
     or in the alternative, to obtain the commitment for title insurance
     specified above as to such exceptions or  survey defects within the
     specified time, Buyer may terminate this contract or may elect , upon
     notice to Seller within 10 days after expiration after the expiration of
     the 30 day period to take title as it then is with the right to deduct from
     the purchase price liens or encumbrances of  a definite or ascertainable
     amount.  If Buyer does not so elect, this contract shall become null and
     void without further action of the parties.

12.  Pro Rations:  Water and other utility charges, general taxes, if any, and
     ------------
     other similar items shall be adjusted ratably as of the time of closing.
     If the amount of current general taxes is not then ascertainable the
     proration  shall be prorated on the basis of 110% of the most recent
     ascertainable taxes.  Prior to closing Seller shall remove the asbestos
     around the boiler.

     The amount of any general taxes which may accrue by reason of new or
     additional improvements shall be adjusted as follows: Seller shall pay for
     all periods prior to closing  All prorations are final unless otherwise
     provided herein. Seller shall pay the amount of any stamp tax imposed by
     State and County law on the transfer of title, and shall furnish a
     completed Real Estate Transfer Declaration signed by the Seller or the
     Seller's agent or meet other requirements as established by any local
     ordinance with regard to a transfer or transaction tax: such tax required
     by local ordinance shall be paid by Buyer.

13.  Vendor and Buyer Risk:  The provisions of the Uniform Vendor and Buyer Risk
     ----------------------
     Act of the State of Illinois shall be applicable to this contract.

14.  Termination:  If this contract is terminated without Buyers fault, the
     ------------
     earnest money shall be returned to the Buyer.   If the termination is
     caused by Buyer's fault, then at the option of the Seller and upon notice
     to the Buyer, the earnest money shall be forfeited to Sell and and applied
     first to the payment of Seller's
<PAGE>

     expenses: the balance if any to be retained by the Seller as liquidated
     damages. Provided, however, that either party may sue for specific
     performance, and the earnest money shall be applied to the purchase price.

15.  Escrow Closing:  At the election of either party and upon notice to the
     ---------------
     other party not less than 5 days prior to the date of closing, this sale
     shall be closed through an escrow with Chicago Title and Trust Company in
     accordance with the general provisions  of the usual form of Deed and Money
     Escrow Agreement then in use by Chicago Title and Trust Company, with such
     special provisions inserted in the escrow as may be required to conform
     with this contract. The cost of the escrow shall be paid by the Seller.
     Upon satisfaction or waiver of the contingencies contained in Paragraph 20
     and 25 hereof the parties shall jointly open a deed and money escrow
     agreement at Chicago Title and Trust Company using the form then in use by
     Chicago Title and Trust Company with such special provisions inserted in
     the escrow as may be required to conform with this contract.  Seller's deed
     shall be deposited into the escrow within 5 days after the opening of the
     escrow provided, however, that said deed shall not be recorded prior to the
     deposit into the escrow of all of Seller's funds which shall be done not
     less than 10 days prior to the closing date.  In all other respects the
     escrow shall conform to the provisions of this contract and the customary
     provisions of deed and money escrows in the form then in use by Chicago
     Title and Trust Company.  The cost of the deed and money escrow shall be
     paid by the Seller.

16.  Time:  Time is of the essence of this contract
     -----

17.  Notices:  All notices herein required or permitted shall be in writing and
     --------
     shall be served on the parties at the addresses following their signatures.
     The mailing of a notice by certified mail, return receipt requested, shall
     be sufficient service. The attorneys for the parties as shown at the end
     hereof shall be agents for the service of notices.  In addition to service
     by certified mail notices may be served upon the attorneys by facsimile
     transmission at the numbers shown herein.  Proof of service may be made by
     customary affidavit together with a copy  of the transmission report
     generated by the senders machine.

18.   FIRPTA:  Seller represents that he is not a foreign person as defined in
      -------
     section 1445 of the Internal Revenue Code and is therefore exempt from the
     withholding requirements of said section.  Seller will furnish Buyer at
     closing the Exemption Certification set forth in said Section.

19.  IRPTA:    (A) Buyer and Seller agree that the disclosure requirements of
     ------
     the Illinois Responsible Transfer Act (do) apply to the transfer
     contemplated by this contract.

     (B) Seller agrees to execute and deliver to Buyer and each mortgage lender
     of Buyer such disclosure documents as may be required by the Illinois
     Responsible Property Transfer Act.
<PAGE>

20.  Contingencies, Due Diligence:  Seller has delivered   the following
     ----------------------------
     materials which Seller may possess and which are hereinafter referred to as
     Due Diligence Documents:

          (1) Copies of service contracts, maintenance agreements and other
     contracts presently affecting the Real Estate, if any.

          (2) Municipal or Fire Department Related Notices, if any.

     Buyer shall have 30 days in which to satisfy itself as to the financial and
     physical condition of the Real Estate. During said 30 day period Seller
     shall permit Buyer or Buyer's agents to have access to the Real Estate for
     the purpose of inspecting or testing the roof, parking lot, furnace,
     electrical, heating, cooling, lead based paint, water supply. ventilating,
     plumbing, mechanical, structural, and other systems of the Real Estate as
     well as compliance with the American Disabilities Act and environmental
     concerns.

     In the event Buyer's inspection shall reveal any material defects, in
     Buyer's sole discretion, Buyer may at Buyer's option within said period
     deliver to Seller its notice of termination of this Contract, whereupon
     this Contract shall be null and void and Buyer shall receive back all
     amounts paid by it (including any interest earned on such amounts). In
     default of timely delivery of such notice of termination, the conditions of
     this Paragraph shall be deemed waived. Sellers agree to cooperate fully
     with Buyer in the satisfaction of the contingencies imposed by this
     Contract and shall permit Buyer and its agents to enter upon the property
     at all reasonable times upon reasonable notice to Seller for the purpose of
     inspecting the Real Estate

21.  Financing Contingency:  This contract is subject to the condition that
     ---------------------
     Buyer be able to procure within 30 days a firm commitment for a loan to be
     secured by a mortgage or trust deed on the real estate in the amount of 80%
     of the purchase price or such lesser sum as Buyer accepts, with interest
     not to exceed 7.5% a year to be amortized over 25 years. The term of such
     loan shall be at least 5 years. If, after making every reasonable effort,
     Buyer is unable to procure such commitment within the time specified herein
     and so notifies Seller thereof within that time, this contract shall become
     null and void and all earnest money shall be returned to Buyer; provided
     that if Seller, at his option, within a like period of time following
     Buyer's notice, procures for Buyer such a commitment or notifies Buyer that
     Seller will accept a purchase money mortgage upon the same terms, this
     contract shall remain in full force and effect.

     NOT USED.
     ---------

23.  Representations:  Sellers represent and warrant to Buyer that to the best
     ---------------
     of Seller's knowledge now and as of the closing, that:

     A. The Due Diligence documents including without limiting the generality of
     the foregoing the income and expense statements furnished with respect to a
<PAGE>

     subparagraph 20(2) are true, accurate and complete in all material respects
     and that all documents which are in Seller's possession and responsive to
     Paragraph 20 have been delivered.

     B. The person(s) signing this contract on behalf of Seller has full
     authority to do so.

     C.   Toxic or Hazardous Waste. 1. Seller has not, and to the best of
     Seller's knowledge, no other party has, spilled, disposed of, or stored on,
     under, or at the Property, toxic or hazardous chemicals, waste or
     substances of any kind whatsoever, whether by accident, burying, drainage,
     or storage in containers, tanks, or holding areas, or by any other means
     whatsoever (excepting only currently lawful quantities stored and
     maintained in accordance with commercially reasonable standards and
     applicable environmental laws); 2. To the best of Seller's knowledge, the
     Property has never been used as a dump or landfill; 3. To the best of
     Seller's knowledge, no other party has generated, released, stored, or
     deposited over, beneath or on the Property (or any immediately adjacent
     property), any hazardous or toxic materials, (excluding asbestos), PCBs,
     radioactive substances, explosives, petroleum or petroleum by-products or
     urea formaldehyde (excepting only currently lawful quantities maintained in
     accordance with commercially reasonable standards and applicable
     environmental laws); and 4. Seller has not received any written notices of,
     and to the best of Seller's knowledge there are no material violations of
     any environmental laws or regulations with respect to the Property.

     D. Actions Pending.  Seller has not received written notice of any, and to
     Seller's Actual Knowledge there are no, proceedings (judicial or
     administrative), actions or suits (including, without limitation, any
     condemnation, eminent domain, annexation, land use, foreclosure or similar
     proceedings) existing, pending, involving, or threatened against the
     Property.

     E.   Title.  To Seller's Actual Knowledge, Seller is the legal and
     equitable owner of the Property (subject, however, to the Approved
     Exceptions to Title and with full right to convey the same, and without
     limiting the generality of the foregoing, Seller has not granted any
     options or rights of first refusal to third parties (including, without
     limitation, tenants under any Leases) to purchase or otherwise acquire any
     interest in the Property including leases which may remain outstanding
     after the Closing.

     Seller specifically disclaims any representations or warranties as to the
     physical components of the improvements on the Real Estate (including
     environmental matters except as set forth above).  The parties further
     agree that until the closing of the sale hereunder, Seller shall operate
     the Real Estate in its usual and customary manner and shall maintain the
     Real Estate in the same condition as at the date hereof, ordinary wear and
     tear excepted.  No new Leases shall be executed after the date hereof
     provided Buyer is not in default hereunder or this agreement shall not have
     been terminated.
<PAGE>

24.  Survival: The warranties contained in Section 23 hereof shall survive the
     --------
     closing provided, however, that any claim under such warranties shall be
     presented to Seller in writing within 12 months of closing.

25.  Condition of Title:  Sellers shall within 5 business days of the date
     ------------------
     hereof furnish to Buyer a copy of Seller's existing title policy.  If in
     Buyer's reasonable discretion any matters shown on said policy will
     unreasonably interfere with Buyer's use of the Real Estate as an office,
     Buyer may within 5 days from the date of receipt of the title policy
     terminate this Contract by written notice to Seller and receive back all
     moneys paid by Buyer and this Contract shall be of no further force and
     effect.  In default of timely notice hereunder this condition shall be
     deemed satisfied and the matters set forth on said existing title policy
     shall be deemed to be those matters described at Paragraph 2 on the front
     hereof and the only permitted exception to title under said Paragraph 2(a).
     The "Approved Exceptions to Title" (Except for Seller's mortgage, if any,
     which shall be removed at closing and the leases, if any, set forth on the
     rent roll.  The sale shall be subject to the lien of current taxes only.)

     NOT USED.
     ---------

27.  Execution in Counterpart:  This contract may be executed in one or more
     ------------------------
     counterparts and said counterparts taken together shall constitute one
     contract.

28.  Strike Throughs  Language which is stricken through thus: thus is not part
     ---------------
     of this contract.

29.  Exchange: Sellers hereunder may desire to exchange, for other property of
     --------
     like kind and qualifying use within the meaning of Section 1031 of the
     Internal Revenue Code of 1986, as amended and the Regulations promulgated
     thereunder, fee title in the property which is the subject of this
     contract. Sellers reserve the right to assign its rights, but not its
     obligations, hereunder to a Qualified Intermediary as provided in IRC Reg.
     1.1031(k)-1(g)(4) on or before the closing date.

30.  Termination of Lease: Seller represents that the property is currently
     subject to two leases for tenants located on the first floor which leases
     are oral and month to month. Upon execution of this Agreement, Seller shall
     promptly give notice of termination to both tenants in accordance with
     Illinois law.

30.  It is understood that the following subsequent to closing Buyer will be
     substantially remodeling the unit which may also require work which require
     in other units as well as the common elements of the condominium. In such
     an event, Buyer shall obtain general liability insurance for insuring
     against injury or damage to property to others and shall name as an
     additional insured under such policy Buyer, the condominium board and the
     owners of the other units in the building. Such insurance shall be in the
     minimum amounts of $1,000,000 to each loss with an aggregate total loss
     payable of $5,000,000.

32.  Representatives:            Representatives of the Parties are as follows:
     ----------------

     Attorney for the Seller:    Edward J. FitzSimons
     ------------------------
                                 30 N. LaSalle Street, Suite 3232
                                 Chicago IL 60602
<PAGE>

                                 Phone 312-372-3800
                                 Fax 312-750-6808

     Attorney for the Buyer:     Robert Bramlette
     -----------------------
                                 350 W. Oritario
                                 Chicago, IL 60610
                                 Phone 312-475-1255
                                 Fax 312-475-1267

     Listing Broker:     Fred Rolison, The Ross Group, 154 West Hubbard, Suite
     ---------------
                         200, Chicago, IL 60610, Phone 312-527-4747
     Selling Broker:     Fred Rolison, The Ross Group
     ---------------

     Address of Buyer:   22 W. Hubbard, Chicago, IL 60610
     -----------------

     Address of Seller:  416 West Erie, Chicago, IL, Phone 312-943-4223
     ------------------

     Date of Acceptance:      5/27/99
                         ----------------

Dated this  27th  day of  May, 1999

BUYER:                             SELLER:
Quantum Leap Communications, Inc.

/s/  Fred Smith                     /s/  C. Vespa