EFTA00589207.txt

"NIKOLIC shall pay to SCHWARZ the sum of Hundred Fifty Thousand Dollars ($150,000 simultaneously with the receipt by NIKOLIC of the original executed R"

"NIKOLIC, as a principal of the GP"

"the Fund's investment in the amount of One Million Dollars ($1,000,000) in Blue Talon Data Systems, Inc."

"and Three Million Dollars ($3,000,000) in Digisight Technologies, Inc."

"unpaid interest accrued on each overdue amount in accordance with the foregoing terms of this paragraph shall become immediately and absolutely due an"

"This Promissory Note is given in consideration and exchange for the Releases in favor of NIKOLIC from SCHWARZ, Hayes Nuss and Peter Corsell"

"SCHWARZ may extend the time of payment of this Promissory Note, postpone the enforcement hereof, release any collateral securing this Promissory Note"

"In the event that it becomes necessary to enforce the provisions of this Promissory Note against NIKOLIC in order to collect any amounts due hereunder"

"EXHIBIT B COLLATERAL ITBDI"