MotoGP is the pinnacle of two-wheel motorsports, with the best riders in the world piloting the most exotic sportbikes ever seen on earth. So when Ducati unleashed a street-legal version of its 990cc V-Four GP bike, we were as giddy as Casey Stoner after winning his world championship. Our time aboard the GP bike with lights was brief - just part of a day at the racetrack - but it was a scintillating experience we won't soon forget.