Guitar Hero and Rock Band may have catapulted games developer Harmonix into the spotlight, but the games studio looks set to branch out more into motion-based, Kinect-friendly titles. Talking to our sister site, Joystiq, Harmonix CEO Alex Rigopulos said that his company's success with Dance Central had left them with an "affinity for motion gaming." With Guitar Hero currently in rehab, this might be a little clue to Harmonix's future releases. Gymnastics Hero, anyone?