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                                                                     Exhibit 4.2

                          WALL STREET ADVISORS, INC.

                                PROMISSORY NOTE



         Amount: $1,990,000.00                Dated: October 30, 2001
                                                    -------------------


     FOR VALUE RECEIVED, the undersigned, Wall Street Consulting Corp., a
Delaware corporation, d/b/a Wall Street Advisors, Inc. ("Maker"), promises to
pay to Color Imaging, Inc., a Delaware corporation ("Lender"), the principal sum
of One Million Nine Hundred Ninety Thousand Dollars ($1,990,000.00) ("Amount
Advanced") on the earlier of: (i) six (6) months after the Registration
Statement is declared effective by the SEC; or (ii) twelve (12) months from the
Closing ("Maturity Date"). Maker and Lender are collectively referred to
hereinafter as the "Parties."  Capitalized terms not defined herein shall have
the meaning ascribed to them in the Stock Purchase Agreement between the Maker
and Lender of even date herewith.

     1.  Interest Rate.
         -------------

         The unpaid principal under this Promissory Note (the "Note") shall not
bear interest.

     2.  Payments.
         --------

         Payments (or any prepayments) are due and payable to Lender, at
Lender's address of record, on or before the Maturity Date.

     3.  Voluntary Prepayment.
         --------------------

         Maker may, at any time, prepay the unpaid Amount Advanced, in whole or
in part, without penalty or premium, by paying to Lender, in cash or by wire
transfer or immediately available federal funds, the amount of such prepayment.

    4.   Lawful Money; Designated Places of Payment.
         ------------------------------------------

         All amounts due hereunder are payable in lawful money of the United
States of America, in immediately available funds, at Lender's address of record
no later than 5:00 p.m., Pacific Standard Time, on the day payment is due.

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     5.  Waivers.
         -------

         Except as set forth elsewhere herein, Maker, for itself and its legal
representatives, successors, and assigns, expressly waives presentment, protest,
demand, notice of dishonor, notice of nonpayment, notice of maturity, notice of
protest, notice of intent to accelerate, notice of acceleration, presentment for
the purpose of accelerating maturity, and diligence in collection.

     6.  Default.
         -------

         Maker shall be deemed in default if any of the following events occur:
(a) Maker fails to make payments hereunder when due; (b) the entry of a decree
or order by a court having appropriate jurisdiction adjudging Maker a bankrupt
or insolvent, or approving as properly filed a petition seeking reorganization
or liquidation of Maker under the Federal Bankruptcy Act or any other applicable
federal or state law, or appointing a receiver, liquidator, assignee or trustee
over any substantial portion of Maker's property, or ordering the winding up or
liquidation of Maker's affairs, and the continuance of any such decree or order
unstayed and in effect for a period of sixty (60) consecutive days; (c) the
institution by Maker of proceedings to be adjudicated a bankrupt or insolvent,
or the consent by it to the institution of bankruptcy or insolvency proceedings
against it, or the filing by it of a petition or answer or consent seeking
reorganization or relief under the Federal Bankruptcy Act or any other
applicable federal or state law, or the consent by it to the filing of any such
petition or to the appointment of a receiver, liquidator, assignee or trustee of
Maker; (d) default in the obligation of Maker for borrowed money, other than
this Note, or any event that results in acceleration of the maturity of any
indebtedness of Maker under any note, indenture, contract, or agreement; (e)
Maker fails to comply with any material term, obligation, covenant, or condition
contained in this Note and/or the aforesaid Stock Purchase Agreement; (f) any
levy, seizure, attachment, lien, or encumbrance of or on Maker's property, other
than those existing as of the date hereof; and (g) any sale, transfer, or
disposition of any interest in Maker 's property, other than in the ordinary
course of business, without the written consent of the Lender.

     7.  Recourse Note; Non-Assignability.
         --------------------------------

         Maker understands that his Note is a full recourse promissory note. It
is further understood that this Note is not assignable by Lender.

     8.  Attorneys' Fees.
         ---------------

         In the event it should become necessary to employ counsel to collect
this Note, Maker agrees to pay the reasonable attorneys' fees and costs incurred
by Lender in connection with Lender's collection efforts, irrespective of
whether Lender files suit against Maker.

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     9.  Section Headings.
         ----------------

         Headings and numbers have been set forth for convenience only. Unless
the contrary is compelled by the context, the language set forth in each
paragraph applies equally to the entire Note.

     10.  Amendments in Writing.
          ---------------------

          This Note may only be changed, modified or amended in writing signed
by the Parties.

     11.  Choice of Law.
          --------------

          The Note and all transactions hereunder and evidenced hereby shall be
governed by, construed under, and enforced in accordance with the laws of the
State of California.

     12.  Waiver of Trial by Jury.
          -----------------------

          Maker hereby waives, to the extent permitted under applicable law, any
right to trial by jury in any action or proceeding relating to the Note.


Made and Executed at:

/s/
-----------------



"MAKER"

Wall Street Consulting Corp. a Delaware corporation
d/b/a Wall Street Advisors, Inc.

By: /s/
   ------------------

Its: Chairman, CEO
    ------------------

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