At E3 2007, Miyamoto unveiled Wii Fit and the balance board accessory. It will be released in Q1, 2008. Click below for more images.
Wii Fit(TM): This experience builds on the active-play phenomenon started by Wii Sports(TM). It comes packed with the pressure-sensitive Wii Balance Board (name not final) that measures users’ actions in fun aerobic, toning and balance activities. Wii Fit also promotes communication about health among family members, as everyone can review one another’s progress on a new channel on the Wii Menu
[via Gizmodo]