First 2010 Shelby GT500

First 2010 Shelby GT500, two Mustang concepts to be auctioned:

Three future Mustang classics will be auctioned off at the seventh annual Barrett-Jackson event April 9-11 in Palm Beach, Fla. The headliner is the first retail 2010 Ford Shelby GT500. The other two ponies are concepts that debuted during the 2003 auto show season. All three promise to sell for...