They released a downloadable demo called GT HD way back in 07 It featured one track and 12 cars. Japan got thier addition of Prologue back in December. We get ours in April and it will have more content than thiers. You can either buy it and download it from PSN or buy a hard copy in the store. I am going with hard copy, since this version is just an extended demo, I will trade in it for the more complete game when it comes out early next year.