Document:

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                                                                  Exhibit 10.4.2

                               CONTRACT AMENDMENT

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CONTRACT NO.: 33520-350                                        AMENDMENT NO.: 01

AMENDMENT DATE:          November 6,1998

AMENDMENT TERM:          November 6, 1998 - September 30, 2001
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ISSUED BY: Virginia Lottery, 900 East Main Street, Richmond, Virginia 23219

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CONTRACTOR'S NAME:              On-Point Technology Systems, Inc.
                                8444 Miralani Drive
                                San Diego, California 92126

                                FIN# 33-042-303-7
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SUPPLIES/SERVICES:

The purpose of this amendment is to furnish and install duratran sets in the
existing ITR-8500-8SL machines; to install advertising decals; to furnish 4,000
membrane switch labels; and to change the Contract No. to read: 33520-350, and
Contractor's FIN # to read: 33-042-303-7 from the original Contract.

This amendment consists of this Page 1 with signatures and Page 2 and 3 which is
attached hereto.
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Value of Contract Amendment:   $17,070.00

ACCOUNTING DATA:    Cost Code: 833     Account Code: 1312 - $12,410.00
                    Cost Code: 833     Account Code: 1274 - $4,660.00

Contract Officer: Patricia MacKenzie, 804-692-7645

Send Invoices to:   Virginia Lottery
                    900 East Main Street
                    Richmond, Virginia 23219-3519
                    Attention: Accounts Payable

ON-POINT TECHNOLOGY SYSTEMS, INC.       VIRGINIA LOTTERY

By: /s/ Brian J. Roberts                By /s/ Michael J. Bacile
-----------------------------------     ----------------------------------------
       (Signature)                             (Signature)

Brian J. Roberts Sr. Vice President     Michael J. Bacile, Purchasing Manager
-----------------------------------     ----------------------------------------
         Name and Title                            Name and Title

Date November 20, 1998                  Date November 6, 1998
     ------------------------------          -----------------------------------

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This Amendment entered into as of this 6th day of November, 1998 by On-Point
Technology Systems, Inc. ("Contractor"), and the State Lottery Department
("Lottery" or "Virginia Lottery "), an agency of the Commonwealth of Virginia.

The Lottery and the Contractor agree to the following modification to the
original Contract.

1.    AMENDMENT TERM: The term of this Amendment shall be November 6, 1998 to
      September 30, 2001.

2.    SCOPE OF WORK:

      A.    The Contractor agrees to furnish and install 466 duratrans sets for
            the existing Lottery ITR-8500-8SL machines.

      B.    The Contractor agrees to deinstall the current duratrans and decals
            on all 466 existing Lottery machines and install duratrans and
            advertising decals (decals to be provided to On-Point by the
            Virginia Lottery).

      C.    The Contractor agrees to furnish 1,000 each membrane switch labels
            of $1, $2, $3, and $5 denominations. Total: 4,000 each.

      D.    The Contractor agrees to provide specifications of membrane switch
            labels to the Lottery for future reorders from local vendors.

3.    COMPENSATION: The Lottery and the Contractor agree to the following
      modification to the provisions for compensation.

                Quantity                    Unit Price         Extended Price
                --------                    ----------         --------------
                466 sets (3-piece/set)      $25.00/set         $11,650.00
                4,000 each switch labels    $0.19 each         $760.00

      Installation: Dura-trans and decal sets @$10 each x 466 sets: $4,660.00

                        Total Amendment Price: $17,070.00

4.    INTEGRATION OF CONTRACT - This Amendment, and the Contract dated October
      1, 1998, as amended and modified constitute the entire agreement between
      the Lottery and the Contractor. It is agreed that the order of precedence
      for the purpose of interpretation is this Contract, the Contractor's
      proposal, and the Request for Proposal. No alteration, amendment or
      modification of this agreement shall be effective unless it is reduced to
      writing, signed by the parties and attached hereto.

5.    GENERAL PROVISIONS - Nothing in this contract shall be construed as
      authority for either party to make commitments which will bind the other
      party beyond the provisions contained herein. Furthermore, the Contractor
      shall not assign, sublet, or subcontract any work related to this Contract
      or any interest it may have herein without the prior written consent of
      the Lottery.

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<PAGE>   3

6.    DISPUTES - Resolution of disputes arising under this Contract, as amended,
      will proceed in accordance with the Lottery Department's Regulations.

7.    RATIFICATION - Except as expressly amended by this agreement, the Contract
      shall remain in full force and effect, and the Contractor and the Lottery
      shall ratify and affirm the terms and conditions.

                                        3<PAGE>   1

                                                                  Exhibit 10.4.3

                             CONTRACT AMENDMENT #02

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CONTRACT NUMBER: ......................................................33520-350

TITLE: ............................................ITVM PURCHASE AND MAINTENANCE

CONTRACT TERM: ..............................October 1,1998 - September 30, 2001

ISSUED BY: .....................................................Virginia Lottery
                                                            900 East Main Street
                                                        Richmond, Virginia 23219

CONTRACTOR: ...................................On-Point Technology Systems, Inc.
                                            1370 San Marcos Boulevard, Suite 100
                                                    San Marcos, California 92069

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

SERVICES: Rental of #7500 4-bin Instant Ticket Vending Machines for the period
of February 1, 1999 - December 31, 1999.

This Amendment consists of this Page 1 with signatures and Pages 2 - 3 which are
attached hereto.

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TOTAL AMOUNT OF CONTRACT, including Amendments 1-2 Estimate: ......$9,027,867.00

TOTAL AMOUNT OF AMENDMENT #02 Estimate: ..............................$54,070.00

INVOICE ADDRESS ................................................Virginia Lottery
                                                     Attention: Accounts Payable
                                                            900 East Main Street
                                                        Richmond, Virginia 23219

CONTRACT OFFICER: ..............................Patricia MacKenzie, 804-692-7645

ACCOUNTING DATA ..............................Cost Code: 833; Account Code: 1534

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

On-Point Technology Systems, Inc.                       Virginia Lottery

By: /s/ Brian J. Roberts                       By:  /s/ Patricia MacKenzie
    -----------------------------                  -----------------------------
           Signature                                       Signature

      Brian J. Roberts                                 Patricia MacKenzie
---------------------------------              ---------------------------------
          Print Name                                       Print Name

      Sr. Vice President                       Senior Contract Officer
---------------------------------              ---------------------------------
Title                        Date              Title                        Date

<PAGE>   2

This Amendment entered into this 16th day of March, 1999 by On-Point Technology
Systems, Inc. ("Contractor"), and the State Lottery Department, ("Lottery" or
"Virginia Lottery"), an agency of the Commonwealth of Virginia.

The Lottery and the Contractor agree to the following modification to the
original Contract:

1.    AMENDMENT TERM: The term of this Amendment shall be from March 16, 1999 to
      December 31, 1999.

2.    SCOPE OF SERVICE: The Lottery agrees to pay to the Contractor a monthly
      rental for the use of On-Point 4-bin Instant Ticket Vending Machines
      (ITVMs) as follows:

3.
      A.    The Lottery will rent 132 4-bin ITVMs from March 16, 1999 to
            December 31, 1999. Rental shall include the following:

            1)    Repair on an as-needed basis, but not preventive maintenance.

            2)    A one time installation of 64 4-bin ITVMs currently warehoused
                  at On-Point free of charge.

            3)    Removal of all 4-bin ITVMs from Lottery retail locations. This
                  shall include those 4-bin ITVMs removed because of the
                  installation of new ITVM equipment, and all 4-bin ITVMs at the
                  end of the rental term, December 31, 1999, or at any time when
                  an ITVM cannot be repaired.

      B.    The Lottery agrees to pay a $65 installation charge for all other
            4-bin ITVMs.

      C.    It is agreed that the quantity of 4-bin ITVMs subject to the rental
            charge will remain constant at 132 units from March 16, 1999 to
            September 30, 1999. Thereafter, the quantity of ITVMs subject to a
            rental charge may decrease and shall represent only those 4-bin
            units physically installed at a Lottery retail location.

      D.    The Lottery agrees to pay, retroactively, rental of 145 4-bin ITVMs
            for the period February 1, 1999 through February 28, 1999.

      E.    The Lottery agrees to pay, retroactively, rental of 132 4-bin ITVMs
            from March 1,1999 through March 15, 1999.

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3.    COMPENSATION: The Lottery and the Contractor agree to the following method
      of compensation:

      Rental of 4-bin ITVM units: $35 x 132 (approx) x 10 months =   $46,200.00

      Rental of 4-bin ITVM units: $35 x 145 =                        $5,075.00

      Installation Charge: $65 x 43 (approx) =                       $2,795.00

      Total Amount of Amendment, estimated:                          $54,070.00

4.    TERMS AND CONDITIONS: All other terms and conditions previously specified
      in the original contract, dated January 22, 1996, as amended and modified
      shall remain unchanged.

5.    INTEGRATION OF CONTRACT: Amendment #002, Amendment #001 and the Contract
      dated October 1, 1998, constitute the entire agreement between the Lottery
      and the Contractor. No alteration, amendment, or modification of this
      agreement shall be effective unless and until it is reduced to writing,
      signed by the parties and attached hereto.

6.    DISPUTES: Resolution of disputes arising under this Contract, as amended,
      will proceed in accordance with the Lottery Department's Regulations.

7.    RATIFICATION: Except as expressly amended by this agreement, the Contract
      shall remain in full force and effect, and the Contractor and the Lottery
      shall ratify and affirm the terms and conditions.

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