hmmm, yo thts a great question.
ok heres my opinion:
i think Naruto Ultimate Ninja Storm
its the first naruto game for PS3 will alot of ppl are pumped about and since its an anime which came from Japan, and this naruto anime is really famous here (Canada, US, dunno about UK) as well. since there is alot of fans they gonna get this game.
also this game is PS3 exclusice they have already released demoo and it was big fun. also u dont have to be a fan of this anime to enjoy this game, its a NINJA game., so u can just hop in and play the game. also i bet story tellin is good so ppl will learn of the story and its a good story.
also on some youtube videos of this game, ppl are saying they wish they had a ps3, which i think means good sales for PS3.
also its comin out in fall when 2 major anticipated games are coming for PS3 (resistance 2 and Motorstorm 2)
if u wanna learn more, chek out this forum
http://www.vgchartz.com/forum/thread.php?id=38465&start=0
so ya, thts my opinion...
