Will the support of Sqaure-Enix have major impact on the 360userbase in JP?

[thibje]

Square enix will be releasing 2 major RPG's for the 360 between now and six months.
Namco Bandai will release Tales of Vesperia in August.
Star Ocean is comming to the 360.
More Western-Rpgs heading to Japan.

What impact do you think that these facts will have on the 360 userbase ?