Up-to-date Wii U info

Last Updated: 06/11/11 @ 5:14PM
Note: I'm not well-versed in technical system specs so please comment below with any corrections that I need to make along those lines. Or, any links to new rumors or confirmations.

• Name: Wii U
  
• ETA: Spring/Summer 2012 (source)
  
• Supported Software: Wii U (25GB iDensity discs) and Wii games
  
• Supported Controls: 1 Wii U controller, 4 Wiimotes, Nunchuks, Classic Controllers, Balance Board.
  
• Wii U controller specs:
  
  • 16:9 6.2" single-touch screen
    
  • Dual circle pads
    
  • 1 d-pad
    
  • Buttons: A, B, X, Y, L, R, ZL, ZR, Select/-, Home, Start/+, Power
    
  • Front-facing camera
    
  • Stereo speakers
    
  • Microphone
    
  • Gyroscope
    
  • Accelerometer
    
  • Rumble
    
  • Sensor strip
    
  • Stylus
    
  • Possibly max of one per console. Not sold separately.
    
  • Rechargeable battery
    
• Price Point: ~$250-$350 (source)
  
• Processing: IBM Multi-Core Processor and "More powerful than PS3" according to THQ (can't find source though!)
  
• Internal Storage: 8GB flash memory
  
• External Storage: USB HDDs, SD cards
  
• Resolutions: 1080p, 1080i, 720p, 480p, 480i
  
• Connections: HDMI, component, S-video, composite, 4 USB ports