Anyone with a pulse is aware of how well the 2005 Ford Mustang has been received. Of course, that makes sense - it's a car that offers contemporary styling with a definite retro flair and a choice of two desirable engines. That car is so hot, in fact, that its rumored that factory executives and designers are far behind a long list of customers waiting for 2005's gotta have it car. Apparently Ford isn't satisfied, though, so 2006 will usher in the Mustang Shelby Cobra GT500, an asphalt-munching beast that traces its heritage back to a highly praised 1968 model of the same name.