First retail Z06 will be auctioned at Barrett-Jackson
Others models auctioned:
2009 Corvette ZR1 sold for $1,000,000.
2010 Chevrolet Camaro was also sold for $350,000
a limited edition Corvette Z06 (number 427 of 427 produced) sold for $200,000
More informations I found here:
http://www.auto-power-girl.com/cars-news/2010/03/24/chevrolet/4075/barrettjackson_auction_for_the_first__corvette_z06_carbon.html