If you want news look to the new ZR1 Corvette that was just recently released. Easily over 600hp supercharged LS3. I love the CF roof and hood cutut. Also, the vents up towards the front on the side are much more agressive than the Z06's.
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However, I would still have to say I would choose the new Hennessey Viper over the ZR1 with the Hennessey Viper having 678 hp and 645lb/ft torque.....plus better looks IMO.