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
Is There A Future For The Wii U Without The GamePad? - Talking Point | Nintendo Life
Nintendo Wii U review: A great game system for kids, but its successor is on the horizon - CNET
YouTube App Comes To The Wii U, Viewable On GamePad Or TV | TechCrunch
GENUINE OFFICIAL BLACK NINTENDO WII U GAMEPAD | eBay
Left D-Pad Gamepad Wii U repair - Free guide - SOSav
Nintendo Wii U GamePad Repair - iFixit
Amazon.com: Nintendo Wii U Black Gamepad - Replacement ONLY - no cables : Video Games
This picture of the Nintendo Switch and Wii U is kind of mind-blowing - The Verge
Editorial: An Ode To The Wii U GamePad, Nintendo's Mad But Brilliant Controller | Nintendo Life
Wii U GamePad - Inkipedia, the Splatoon wiki
Nintendo Wii U WUP-010 Gamepad White Works Great Tablet Controller USED JAPAN | eBay
Nintendo shows off new Wii U GamePad, social features and video chat
Wii U GamePad Android knock-off review | Eurogamer.net
E3: Hands-on with the new Nintendo Wii U GamePad - Movies Games and Tech
Wii U GamePad Converted Into Windows 10 Handheld | PCMag
The Best And Worst Design Details Of Nintendo's Wii U
Wii U - Wikipedia
Nintendo Wii U GamePad - more responsive than your TV? | Eurogamer.net
Amazon.com: Replacement Official Authentic Nintendo Wii U Gamepad [Black] - Bulk Packaging : Video Games
Ten years on, here's why I'll always love Nintendo's misunderstood Wii U | Games | The Guardian
This Wii U GamePad console hack is the next best thing to having a Nintendo Switch - The Verge
Wii U GamePad - Wii U Guide - IGN
Hacked Wii U GamePad Can Stream Games and Apps from a PC - Tech Junkie
Nintendo's Wii U, With New Touch-Screen Controller - The New York Times
Everything you need know about the Wii U | Ars Technica
All about new Nintendo Wii U GamePad controller | Digitash