Have you ever seen a Saleen S7? The closest most people ever get to America's mid-engine supercar is either at an auto show or on the small screen in the Gillette Mach 3 Turbo ad - that's a men's razor not a car. The all-American Ferrari-killer is a project in literal motion, a car constantly being revised in the micro-automaker's pursuit to be the best, and resultantly win sales from a very small target niche.