We can't wait to play this, lets hope we get an XBLA version, it would add some much needed innovation to the stale XBLA collection.
"Gymnast is a physics-based acrobatic game with 100% analog controls. The game makes use of an Xbox 360 gamepad, using the analog thumbsticks to give 1-to-1 control over the joints on a gymnast character. COMING SOON!"
Check out more great physics based games over at Walabers homepage