For the Nintendo Wii.
* When you move... your game character moves
* Add-on controller that detects body motion
* Compatible with existing Wii games
* Plugs straight into your existing Wii Remote and Nunchuk
* Simple operation combines fitness and fun
This was just released last week. Isn't getting favourable reviews on play.com (and so it seems play.com has reduced its price on this item super quick). However, it was rated as the number 1 gadget on The Gadget Show!
(I got one at the pre-ordered price of £14.99 but haven't tried it out yet.)