I am told next month (April) GM will start building about 8 C6 Beta cars in Warren. The Alpha cars Chassis testers have been around for almost a year now wearing retrofitted C5 body panels. Its now time to build and mate "close to final design" body panels for final fit finish and hot weather testing this summer. Now you will start seeing "spy" shots of C6 as they run them through there paces in Death Valley this summer. By the end of the year C6 will be at the "Locked in" phase where all design changes have to be finalized prior to pre production cars being built next summer.