Wii owners who also happen to be Mizuguchi fans shouldn't get their hopes up, though. Mizuguchi seems keen enough on the Wii itself, but confessed in an interview with Wired that he was a "little bit worried" about the strength of Nintendo games. We presume this is a reference to an increasingly common complaint from publishers and other industry folk that Nintendo's first-party titles are hogging sales.
Looks like an Ulala appearance in Sega Superstars Tennis could be the closest we get to grooving with Space Michael. Cry.