is teaming up with video-sharing site Metacafe
to launch â€œVirtual Dance Off," an online dance contest, TVWeek.com
says. Users are invited to use avatar technology Machinima to choreograph animated dancers, set the videos to music and upload them to Metacafe for judging. The top 20 entries will be featured on MTVâ€™s Virtual Worlds site
, where users will select a grand prize winner.