Hennessey Venom GT Spyder: A 1,200-hp super convertible

I can tell you from experience there's no missing the sound of the 1,200-hp twin-turbo V8 Hennessey Venom GT from inside the cockpit, but that's not stopping the Texas company from removing the car's top in pursuit of even more glorious decibels with their 2013 Hennessey Venom GT Spyder. Here's a first look. » 11/30/11 2:00pm 11/30/11 2:00pm