Related query: Will Japanese games play on US PS2s? I know there's problems between PAL and NTSC, I don't know if there are differences of barriers between the US and Japanese verions of games though.

Thanks in advance.

BTW Rogue Galaxy looks pretty spiffy, I'm really looking forward to it, but I couldn't play an RPG without being able to understand it, the story is a large part of why I play.