Here's what Chevrolet is currently telling dealerships about the the 2014 Corvette release:
February 2012 - C6 production ends and final build out. Factory will close for about 6 months to change everything over for the C7.
May to July - Aproximate time that the C7 orders will actually be placed with options.
August - C7 production will start.
September - First C7 deliveries to dealerships.
Source: [email protected]