There's new downloadable content available for Kinect Sports on Xbox Live Marketplace. The Calorie Challenge DLC puts you up against food items in events. Yes, your dreams of having a rivalry with a dude in a pizza costume have finally come true. Plus, there's an extra 250 points in achievements and some new avatar awards to unlock.
Actually, this is a pretty cute way to represent exercise goals. You can download the Calorie Challenge DLC for Kinect Sports right now for 320 MS points.