Update: EA just sent a press release with a suggest MSRP for EA Sports Active 2: $99.95. It's currently in development at EA Canada in Vancouver.
Sonic Free Riders has been officially announced as one of the fifteen launch games for Xbox Kinect. Of course, you knew about this thanks to the Joystiq Superspy™. Gameplay wasn't shown at Microsoft's E3 press conference, but if it's a launch game, it's bound to be playable on the E3 show floor, right?
In addition to Sonic Free Riders, other launch games announced for Kinect include EA Sports Active 2.0 and a game based on The Biggest Loser.