Nintendo released a new Wii U logo on their official press channel:
This makes it officially official: The Wii U is going to be the name. Like Revolution and Dolphin before it, Nintendo has a history of taking awesome codenames and turning them into head-scratching retail release names.
We’ll have more from E3, including full coverage of the usually-awesome Nintendo press conference from Binh “Church4252” Nguyen, our man on the showfloor.