The new Nintendo Wii U controller is pictured during the Electronic Entertainment Expo, or E3, in Los Angeles June 7, 2011. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT BUSINESS SOCIETY Stock Photo - Alamy
Wii U Final Version Controller Leak Analysis | Game Usagi
Wii U - Wikipedia
A quick walk through Nintendo's E3 2013 Wii U lineup | Engadget
E3 2011: Wii U tablet limited to one per console - GameSpot
Wii U: Nintendo unveils its new console at E3 2011 | E3 2011 | The Guardian
Speculation: Can the E3 2011 Zelda Tech Demo Still Run on the Wii U? - Zelda Dungeon
Wii U E3 2011 prototype Highly detailed (Detallado) | 3D Warehouse
E3 2011: Hands-on with Wii U (photos) - CNET
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. : r/wiiu
File:Wii U controller E3 2011.png - Wikimedia Commons
E3 2012: Nintendo Unveils New Details Surrounding Wii U – The Hollywood Reporter
Nintendo Wii U Hands-on at E3 2011 [Video] - SlashGear
Wii U Release Date and Price Announcements to Come After E3 - Nintendo Life
Wii U E3 2012 Infographic - My Nintendo News
Nintendo at E3: Zelda for Wii U unveiled, Splatoon new IP, and Bayonetta 2 - ExtremeTech
E3 2011: Nintendo Wii U Preview
E3 2012: Meet The Wii U GamePad - Nintendo Life
E3 2012: Wii U GamePad revealed by Nintendo | Wii U | The Guardian