For a long time -- a long, long time -- Logitech and Gran Turismo have gone together like rubber and asphalt. Like carbon fiber and fender flares. Like drivers' privates and their Nomex underpants. The two were tight, but with GT5 came a changing of the guard. Thrustmaster, a company world-renowned for its high-end flight controls and its giggle-inducing name, stepped in and bought the license. The purpose? To release the decidedly high-end T500 RS wheel, the controller designed to abolish memories of all the plasticy racing controllers that have come before from the company. Does it succeed, and is it worth the pucker-inducing