Japan usually signals trends first and I don't see a reason why it shouldn't be the case now. The PS3 is already beating the Wii there, so it's not improbable that it will do the same worldwide next year. But it's not going to happen because the PS3 will be selling like crazy, rather because the Wii will be down by so much. Just like in Japan.
Yup, that's why the PSP is selling so great worldwide, because it does so great in Japan! oh, wait...
edit: already beat me to it, heh.
starcraft: "I and every PS3 fanboy alive are waiting for Versus more than FFXIII.
Me since the games were revealed, the fanboys since E3."
Skeeuk: "playstation 3 is the ultimate in gaming acceleration"