I dont think this incentive came to be until 9/8/10. So I think if your paperwork was completed prior to that date, you would not qualify. Go back to the dealer ship and see....worst they could do is tell you no.
FOR SALE 2010 2SS/RS MN6, SW/IOM stripes/IOM leather. FOR SALE
2010 ZR1 Corvette Blade Silver/Ebony, 710HP LPE
2006 Corvette Z06 LeMans blue/titium, superchared