[BuckyThreadkiller]

They were about 90% right on the C5 before it came out.

From the new December 09 Issue -

"... the next Corvette is back on track and GM has given the design department the okay to apply the '63 Sting-Ray style split rear window, as seen on the Sideswipe Transformers concept car unveiled at last Februarys Chicago Auto Show. The Sideswipe appeared in Transformers 2 but none of the design beyond the rear window will see the light of day...."

Also in this same article is confirmation that GM is greenlighting the Z-28 Camaro with the same blown LSA found in the CTS-V and a six-speed manual.