Wii U: Nintendo unveils its new console at E3 2011 | E3 2011 | The Guardian
Nintendo Wii U E3 2011 Hands-On Preview | GameGrin
E3 2011: Wii U tablet limited to one per console - GameSpot
E3 2011: Hands On with Nintendo's Next-Generation Wii U
Zelda Wii U E3 Rumors
Wii U graphical power about on par with Xbox 360 and PS3, suggest developers - The Verge
I've compared the prototype E3 gamepad against the retail version. Nintendo did make some changes after the E3 in 2011 when they exhibited the console. : wiiu
E3 2011: Nintendo Wii U First Take - CNET
Wii Fit U Announced for Wii U - Video Games Blogger