First of all, before you see the trailer, go to this website, and register, to try to get a free demo UMD (only available for the US).

Killer PSP titles are something you don’t see every day, and I’m certain that this game alone will help drive sales a bit, but, I don’t think that Sony is in a position where it can afford to release these great titles little so often if it wishes to compete with the Nintendo DS.