Unnatural selection: With 600 horsepower (and then some), these supercars are at the pinnacle of the automotive food chain. Just like dinosaurs, they may be doomed. Corvette ZR1 vs. SL65 AMG Black Series, Murciélago LP640, Viper SRT10 - Comparison Test www.caranddriver.com 2009 Chevrolet Corvette...