The Shonen Jump RPG is likely, but expect it here when Jump Superstars is ported here.
As for DQIX, it's not impossible. It would be the first multiplatform release of a major RPG for the company, I think.
A flashy-first game is awesome when it comes out. A great-first game is awesome forever.
Plus, just for the hell of it: Kelly Brook at the 2008 BAFTAs