Document:

<PAGE>
                                                                   EXHIBIT 10.11

                            [FIRST UNITED BANK LOGO]

                                PROMISSORY NOTE

<Table>
<Caption>
PRINCIPAL       LOAN DATE       MATURITY      LOAN NO         CALL/COLL         ACCOUNT         OFFICER         INITIALS
<S>             <C>             <C>           <C>             <C>               <C>             <C>             <C>

$350,000       04-01-2002      11-01-2002     655028            4A/20                             RCB
-------------------------------------------------------------------------------------------------------------------------
     References in the shaded area are for Lender's use only and do not limit the applicability of this document to
      any particular loan or item. Any item above containing "***" has been omitted due to text length limitations.
-------------------------------------------------------------------------------------------------------------------------
Borrower:       WESTECH CAPITAL CORP. (TIN; 13-3577716)         LENDER:         FIRST UNITED BANK
                2700 VIA FORTUNA, SUITE 400                                     LUBBOCK SOUTHWEST BRANCH
                AUSTIN, TX 78746                                                6604 FRANKFORD
                                                                                LUBBOCK, TX 79424
</Table>

================================================================================

PRINCIPAL AMOUNT: 350,100.00   INITIAL RATE: 6.50%   DATE OF NOTE: APRIL 1, 2002

PROMISE TO PAY. WESTECH CAPITAL CORP. ("BORROWER") PROMISES TO PAY TO FIRST
UNITED BANK ("LENDER"), OR ORDER, IN LAWFUL MONEY OF THE UNITED STATES OF
AMERICA, THE PRINCIPAL AMOUNT OF THREE HUNDRED FIFTY THOUSAND ONE HUNDRED &
00/100 DOLLARS ($350,100.00), TOGETHER WITH INTEREST ON THE UNPAID BALANCE FROM
APRIL 1, 2002, UNTIL MATURITY. THE INTEREST RATE WILL NOT INCREASE ABOVE
18.000%.

PAYMENT. SUBJECT TO ANY PAYMENT CHANGES RESULTING FROM CHANGES IN THE INDEX,
BORROWER WILL PAY THIS LOAN ON DEMAND. PAYMENT IN FULL IS DUE IMMEDIATELY UPON
LENDER'S DEMAND. IF NO DEMAND IS MADE, BORROWER WILL PAY THIS LOAN IN 6
PRINCIPAL PAYMENTS OF $50,000.00 EACH AND ONE FINAL PRINCIPAL AND INTEREST
PAYMENT OF $50,369.64. BORROWER'S FIRST PRINCIPAL PAYMENT IS DUE MAY 1, 2002,
AND ALL SUBSEQUENT PRINCIPAL PAYMENTS ARE DUE ON THE SAME DAY OF EACH MONTH
AFTER THAT. IN ADDITION, BORROWER WILL PAY REGULAR MONTHLY PAYMENTS OF ALL
ACCRUED UNPAID INTEREST DUE AS OF EACH PAYMENT DATE, BEGINNING MAY 1, 2002, WITH
ALL SUBSEQUENT INTEREST PAYMENTS TO BE DUE ON THE SAME DAY OF EACH MONTH AFTER
THAT. BORROWER'S FINAL PAYMENT DUE NOVEMBER 1, 2002, WILL BE FOR ALL PRINCIPAL
AND ALL ACCRUED INTEREST NOT YET PAID. UNLESS OTHERWISE AGREED OR REQUIRED BY
APPLICABLE LAW, PAYMENTS WILL BE APPLIED FIRST TO ACCRUED UNPAID INTEREST, THEN
TO PRINCIPAL, AND ANY REMAINING AMOUNT TO ANY UNPAID COLLECTION COSTS. THE
ANNUAL INTEREST RATE FOR THIS NOTE IS COMPUTED ON A 365/360 BASIS; THAT IS, BY
APPLYING THE RATIO OF THE ANNUAL INTEREST RATE OVER A YEAR OF 360 DAYS,
MULTIPLIED BY THE OUTSTANDING PRINCIPAL BALANCE, MULTIPLIED BY THE ACTUAL NUMBER
OF DAYS THE PRINCIPAL BALANCE IS OUTSTANDING, UNLESS SUCH CALCULATION WOULD
RESULT IN A USURIOUS RATE, IN WHICH CASE INTEREST SHALL BE CALCULATED ON A PER
DIEM BASIS OF A YEAR OF 365 OR 366 DAYS, AS THE CASE MAY BE. BORROWER WILL PAY
LENDER AT LENDER'S ADDRESS SHOWN ABOVE OR AT SUCH OTHER PLACE AS LENDER MAY
DESIGNATE IN WRITING.

AMOUNT FINANCED. The Amount Financed under this Note is $350,050.00.

VARIABLE INTEREST RATE. The interest rate on this Note is subject to change from
time to time based on changes in an independent index which is the Wall Street
Journal Prime Rate (the "Index"). The Index is not necessarily the lowest rate
charged by Lender on its loans. If the Index becomes unavailable during the term
of this loan, Lender may designate a substitute index after notice to Borrower.
Lender will tell Borrower the current Index rate upon Borrower's request. The
interest rate change will not occur more often than each Day. Borrower
understands that Lender may make loans based on other rates as well. THE INDEX
CURRENTLY IS 4.750% PER ANNUM. THE INTEREST RATE TO BE APPLIED PRIOR TO MATURITY
TO THE UNPAID PRINCIPAL BALANCE OF THIS NOTICE WILL BE AT A RATE OF 1.500
PERCENTAGE POINTS OVER THE INDEX, RESULTING IN AN INITIAL RATE OF 6.250% PER
ANNUM. NOTWITHSTANDING THE FOREGOING, THE VARIABLE INTEREST RATE OR RATES
PROVIDED FOR IN THIS NOTE WILL BE SUBJECT TO THE FOLLOWING MAXIMUM RATE. NOTICE:
Under no circumstances will the interest rate on this Note be more than the
lesser of 18.000% per annum or the maximum rate allowed by applicable law. For
purposes of this Note, the "maximum rate allowed by applicable law "means the
greater of (A) the maximum rate of interest permitted under federal or other law
applicable to the indebtedness evidenced by this Note, or (B)

PREPAYMENT. Borrower agrees that all loan fees and other prepaid finance
charges are earned fully as of the date of the loan and will not be subject to
refund upon early payment (whether voluntary or as a result of default), except
as otherwise required by law. Except for the foregoing, Borrower may prepay
this Note in part or in full at any time before final maturity, whether by
cash, a new loan, renewal, or otherwise. Prepayment in full shall consist of
payment of the remaining unpaid principal balance together with all accrued and
unpaid interest and all other amounts, costs and expenses for which Borrower is
responsible under this Note or any other agreement with Lender pertaining to
this loan, and in no event will Borrower ever be required to pay any unearned
interest. Early payments will not, unless agreed to by Lender in writing,
relieve Borrower of Borrower's obligation to continue to make payments under
the payment schedule. Rather, early payments will reduce the principal balance
due and may result in Borrower's making fewer payments. Borrower agrees not to
send Lender payments marked "paid in full", "without recourse", or similar
language. If Borrower sends such a payment, Lender may accept it without losing
any of Lender's rights under this Note, and Borrower will remain obligated to
pay any further amount owed to Lender. All written communications concerning
disputed amounts, including any check or other payment instrument that
indicates that the payment constitutes "payment in full" of the amount owed or
that is tendered with other conditions or limitations or as full satisfaction
of a disputed amount must be mailed or delivered to: First United Bank, Lubbock
Southwest Branch, 6604 Frankford, Lubbock, TX 79424.

INTEREST AFTER DEFAULT. Upon default, including failure to pay upon final
maturity, the total sum due under this Note will bear interest from the date of
acceleration or maturity at the variable interest rate on this Note. The
interest rate will not exceed the maximum rate permitted by applicable law.

DEFAULT. Each of the following shall constitute an event of default ("Event of
Default") under this Note:

    PAYMENT OF DEFAULT. Borrower fails to make any payment when due under this
    Note.

    OTHER DEFAULTS. Borrower fails to comply with or to perform any other term,
    obligation, covenant or condition contained in this Note or in any of the
    related documents or to comply with or to perform any term, obligation,
    covenant or condition contained in any other agreement between Lender and
    Borrower.

    FALSE STATEMENTS. Any warranty, representation or statement made or
    furnished to Lender by Borrower or on Borrower's behalf under this Note or
    the related documents is false or misleading in any material respect,
    either now or at the time made or furnished or becomes false or misleading
    at any time thereafter.

    INSOLVENCY. The dissolution or termination of Borrower's existence as a
    going business, the insolvency of Borrower, the appointment of a receiver
    for any part of Borrower's property, any assignment for the benefit of
    creditors, any type of creditor workout, or the commencement of any
    proceeding under any bankruptcy or insolvency laws by or against Borrower.

    CREDITOR OR FORFEITURE PROCEEDINGS. Commencement of foreclosure or
    forfeiture proceedings, whether by judicial proceeding, self-help,
    repossession or any other method, by any creditor of Borrower or by any
    governmental agency against any collateral securing the loan. This includes
    a garnishment of any of Borrower's accounts, including deposit accounts,
    with Lender. However, this Event of Default shall not apply if there is a
    good faith dispute by Borrower as to the validity or reasonableness of the
    claim which is the basis of the creditor or forfeiture proceeding and if
    Borrower gives Lender written notice of the creditor or forfeiture
    proceeding and deposits with Lender monies or a surety bond for the
    creditor or forfeiture proceeding, in an amount determined by Lender, in
    its sole discretion, as being an adequate reserve or bond for the dispute.

    EVENTS AFFECTING GUARANTOR. Any of the preceding events occurs with respect
    to any Guarantor of any of the indebtedness or any Guarantor dies or
    becomes incompetent, or revokes or disputes the validity of, or liability
    under, any guaranty of the indebtedness evidenced by this Note. In the
    event of a death, Lender, at its option, may, but shall not be required to,
    permit the Guarantor's estate to assume unconditionally the obligations
    arising under the guaranty in a manner satisfactory to Lender, and, in
    doing so, cure any Event of Default.

    CHANGE IN OWNERSHIP. Any change in ownership of twenty-five percent (25%)
    or more of the common stock of Borrower.

    ADVERSE CHANGE. A material adverse change occurs in Borrower's financial
    condition, or Lender believes the prospect of payment or performance of
    this Note is impaired.

    INSECURITY. Lender in good faith believes itself insecure.

    CURE PROVISIONS. If any default, other than a default in payment or failure
    to satisfy Lender's requirement in the Insufficient Market Value of
    Securities section is curable, it may be cured (and no event of default
    will have occurred) if Borrower, after receiving written notice from Lender
    demanding cure of such default: (1) cures the default within twenty (20)
    days; or (2) if the cure requires more than twenty (20) days, immediately
    initiates steps which Lender deems in Lender's sole discretion to be
    sufficient to cure the default and thereafter continues and companies all
    reasonable and necessary steps sufficient to produce compliances as soon as
    reasonably practical.

LENDER'S RIGHTS. Upon default, Lender may declare the entire indebtedness,
including the unpaid principal balance on this Note, all accrued unpaid
interest, and all other amounts, costs and expenses for which Borrower is
responsible under this Note or any other agreement with Lender pertaining to
this loan, immediately due, without notice, and then Borrower will pay that
amount.

<PAGE>

                                PROMISSORY NOTE
LOAN NO: 655028                   (CONTINUED)                             PAGE 2
================================================================================

ATTORNEYS' FEES: EXPENSES. Lender may hire an attorney to help collect this
Note if Borrower does not pay, and Borrower will pay Lender's reasonable
attorneys' fees. Borrower also will pay Lender all other amounts Lender
actually incurs as court costs, lawful fees for filing, recording, releasing to
any public office any instrument securing this Note; the reasonable cost
actually expended for repossessing, storing, preparing for sale, and selling
any security; and fees for noting a lien on or transferring a certificate of
title to any motor vehicle offered as security for this Note, or premiums or
identifiable charges received in connection with the sale of authorized
insurance.

GOVERNING LAW. THIS NOTE WILL BE GOVERNED BY, CONSTRUED AND ENFORCED IN
ACCORDANCE WITH FEDERAL LAW AND THE LAWS OF THE STATE OF TEXAS. THIS NOTE HAS
BEEN ACCEPTED BY LENDER IN THE STATE OF TEXAS.

CHOICE OF VENUE. If there is a lawsuit, and if the transaction evidenced by
this Note occurred in Lubbock County, Borrower agrees upon Lender's request to
submit to the jurisdiction of the courts of Lubbock County, State of Texas.

RIGHT OF SETOFF. To the extent permitted by applicable law, Lender reserves a
right of setoff in all Borrower's accounts with Lender (whether checking,
savings, or some other account). This includes all accounts Borrower holds
jointly with someone else and all accounts Borrower may upon in the future.
However, this does not include any IRA or Keogh accounts, or any trust accounts
for which setoff would be prohibited by law. Borrower authorizes Lender, to the
extent permitted by applicable law, to charge or setoff all sums owing on the
indebtedness against any and all such accounts.

COLLATERAL. Borrower acknowledges this Note is secured by A SECURITY AGREEMENT
FROM WESTECH CAPITAL CORP., A NEW YORK CORPORATION AND TEJAS SECURITIES GROUP,
INC., A TEXAS CORPORATION TO FIRST UNITED BANK DATED 06/07/00 AND A PLEDGE AND
SECURITY AGREEMENT FROM TEJAS SECURITIES GROUP HOLDING COMPANY TO FIRST UNITED
BANK DATED 06/07/00. To the extent collateral previously has been given to
Lender by any person which may secure this loan, whether directly or indirectly,
it is specifically agreed that, to the extent prohibited by law, all such
collateral consisting of household goods or real property will not secure this
loan. In addition, if any collateral requires the giving of a right of
rescission under Truth in Lending for this loan, such collateral also will not
secure this loan unless and until all required notices of that right have been
given.

PURPOSE OF LOAN. Term out loan #655028 originally used for working capital.

RENEWAL AND EXTENSION. This Note is given in renewal and extension and not in
novation of the following described indebtedness: RENEWAL OF NOTE #655028.

SUCCESSOR INTERESTS. The terms of this Note shall be binding upon Borrower, and
upon Borrower's heirs, personal representatives, successors and assigns, and
shall inure to the benefit of Lender and its successors and assigns.

NOTIFY US OF INACCURATE INFORMATION WE REPORT TO CONSUMER REPORTING AGENCIES.
Please notify us if we report any inaccurate information about your account(s)
to a consumer reporting agency. Your written notice describing the specific
inaccuracy(ies) should be sent to us at the following address: FIRST UNITED
BANK P.O. Box 16500 Lubbock, TX 79490.

GENERAL PROVISIONS. This Note is payable on demand. The inclusion of specific
default provisions or rights of Lender shall not preclude Lender's right to
declare payment of this Note on its demand. If any part of this Note cannot be
enforced, this fact will not affect the rest of the Note. Borrower does not
agree or intend to pay, and Lender does not agree or intend to contract for,
charge, collect, take, reserve or receive (collectively referred to herein as
"charge or collect"), any amount in the nature of interest or in the nature of a
fee for this loan, which would in any way or event (including demand,
prepayment, or acceleration) cause Lender to charge or collect more for this
loan than the maximum Lender would be permitted to charge or collect by federal
law or the law of the State of Texas (as applicable). Any such excess interest
or unauthorized fee shall, instead of anything slated to the contrary, be
applied first to reduce the principal balance of this loan, and when the
principal has been paid in full, be refunded to Borrower. The right to
accelerate maturity of sums due under this Note does not include the right to
accelerate any interest which has not otherwise accrued on the date of such
acceleration, and Lender does not intend to charge or collect any unearned
interest in the event of acceleration. All sums paid or agreed to be paid to
Lender for the use, forbearance or detention of sums due hereunder shall, to the
extent permitted by applicable law, be amortized, prorated, allocated and spread
throughout the full term of the loan evidenced by this Note until payment in
full so that the rate or amount of interest on account of the loan evidenced
hereby does not exceed the applicable usury ceiling. Lender may delay or forgo
enforcing any of its rights or remedies under this Note without losing them.
Borrower and any other person who signs, guarantees or endorses this Note, to
the extent allowed by law, waive presentment, demand for payment, notice of
dishonor, notice of intent to accelerate the maturity of this Note, and notice
of acceleration of the maturity of this Note. Notwithstanding any other
provision of this Note, Borrower does not waive any right accruing to Borrower
under the provisions of the Texas Finance Code. Upon any change in the terms of
this Note, and unless otherwise expressly stated in writing, no party who signs
this Note, whether as maker, guarantor, accommodation maker or endorser, shall
be released from liability. The obligations under this Note are joint and
several.

PRIOR TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF
THIS NOTE, INCLUDING THE VARIABLE INTEREST RATE PROVISIONS, BORROWER AGREES TO
THE TERMS OF THE NOTE.

BORROWER ACKNOWLEDGES RECEIPT OF A COMPLETED COPY OF THIS PROMISSORY NOTE.

BORROWER:

WESTECH CAPITAL CORP.

BY: /s/ JOHN GORMAN
   ----------------------------------------
   JOHN GORMAN, CHAIRMAN & CEO OF WESTECH
   CAPITAL CORP.<PAGE>
                                                                    EXHIBIT 10.1

                                AMENDMENT LETTER

                                                  Union Bank of California, N.A.
                                                  Seattle Business Banking
                                                  910 Fourth Avenue
                                                  Seattle, WA 98164

                                                                  April 26, 2002

Thousand Trails, Inc.
2711 LBJ Freeway
Suite 200
Dallas, TX 75234
Attn: Mr. Walter B. Jaccard

          RE: First Amendment ("Amendment") to the Loan Agreement dated July 1,
          2001 (this Amendment and the Loan Agreement together called the
          "Agreement").

Dear Mr. Jaccard:

In reference to the Agreement defined above between Union Bank of California,
N.A. ("Bank") and Thousand Trails, Inc. ("Borrower"), the Bank and Borrower
desire to amend the Agreement. Capitalized terms used herein which are not
otherwise defined shall have the meaning given them in the Agreement.

          Amendments to the Agreement

         (a)  Tangible Net Worth, Section 4.6 of the Agreement is hereby
              amended in full as follows:

         "Tangible Net Worth. Beginning with the period ending June 30, 2002
         Borrower will maintain Tangible Net Worth of not less than Eight
         Million and No/100 Dollars ($8,000,000.00). Further, Borrower will
         maintain the following minimum Tangible Net Worth on a quarterly basis
         as outlined:

<Table>
<Caption>
       9/30/02                12/31/02                 3/31/03                6/30/03
    -------------          --------------          --------------          -------------
<S>                        <C>                     <C>                     <C>
    $9,800,000.00          $11,300,000.00          $13,100,000.00          13,900,000.00
</Table>

"Tangible Net Worth" means Borrower's net worth increased by indebtedness
subordinated to Bank and decreased by patents, licenses, trademarks, trade
names, goodwill and other similar intangible assets (except deferred selling
expense and deferred tax assets), organizational expenses, security deposits,
prepaid costs and expenses and monies due from affiliates (including officers,
shareholders and directors).

Except as specifically amended hereby, the Agreement shall remain in full force
and effect and is hereby ratified and confirmed. This Amendment shall not be a
waiver of any existing or future default or breach of a condition to covenant
unless specified herein.

This Amendment shall become effective when the Bank shall have received the
acknowledgment copy of this Amendment executed by the Borrower.

<PAGE>

ORAL AGREEMENTS OR ORAL COMMITMENTS TO LOAN MONEY, EXTEND CREDIT, OR TO FORBEAR
FROM ENFORCING REPAYMENT OF A DEBT ARE NOT ENFORCEABLE UNDER WASHINGTON LAW.

                                                Very truly yours,
                                                Union Bank of California, N.A.

                                                By:   /s/ Sam A. Miller, III
                                                   ----------------------------
                                                          Sam A. Miller, III
                                                Title:    Vice President

Agreed and Accepted:  Thousand Trails, Inc.

By:      /s/ Walter B. Jaccard
   ---------------------------------------
             Walter B. Jaccard
Title:       VP/General Counsel/Secretary

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00039-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00039-of-00352.parquet"}]]