I must say, Wii U's controller definitely has me suprised. I was thinking they'd go for a controller with both the conventional button layout and motion controls, but I didn't think they'd go with a tablet. Though this definitely will open up a lot of different ways to play, for both traditional games and motion games. I really like how it's like a Classic Controller (with the button setup) and a Wii Remote (that registers motion controls) in one.
And for those of you hating on the Wii U right now, don't go dismissing it too quickly. Touch screen Portables and Motion Controllers were first implemented by Nintendo and were also ridiculed at first, but look at where they are now. Microsoft also implemented Motion Controls through Kinect and Sony used both motion controls (through Playstation Move) and touch screens (with the PSP Go and PSP Vita).
It's just the first day of Nintendo's E3. I hope you realize that. Do you really think that's everything major they're releasing this year? They haven't even announced any new DS or Wii titles yet. I for one, am wanting to see some gameplay and new details of Kirby Wii, especially now that I know it has four player co-op with Kirby, Meta Knight, King Dedede, and Bandanna Dee.