If you have a Japanese PSN account, head straight over to the Japan PSN Store as the demo for Gran Turismo 5 Prologue was released over the weekend. It's a 16 car, 2 lap race. One of the cool features is the in-car camera angle, which allows you to see both the rear view and side mirrors. The game also supports force feedback wheels and the upcoming rumble Sixaxis controller. Not sure when it is coming out to the North American PSN Store, so it's worth the trouble of getting if you don't already have a Japanese PSN account for your PS3 yet.