In case you missed Nintendo Direct Pre E3 2012 here are the hard facts found with Nintendo Direct Pre E3 2012:

The new Wii U controller is now called the "Wii U Gamepad".
The NFC Reader/Writer (the "button" underneath the D-pad on the left side of the controller) is used to scan in cards.
The Controller can be turned on separate from the console and be used to turn on/off the Wii U Console.
The Controller has Gryro and Motion sensing just as the Wii-mote.
The Wii U will support the new Wii U Pro Controller, Wii Mote, Wii Balance Board, and Classic Controller.
Is Nintendo starting a Nintendo Social network for Mii's? Is that Mii Wara Wara?
Miiverse = Mii Universe is the name of Nintendo's "Communication System". This menu can be accessed at anytime.
Hand written messages and screenshots can be sent over the Miiverse.
Screen on controller termed "Social Window".
Nintendo Network to connect all Nintendo devices. Nintendo Network to be accessed from mobile phones as well.
A web browser is also avaiable on both the console for your tv and on the Wii U Controller. A curtain of sorts can be applied to the TV to allow for private browsing on the controller alone.

*More info to come in the days ahead from E3.