One of this year's best-selling Christmas toys is a new take on an old favorite. It's U-Dance: a Dance Dance Revolution (DDR)-inspired game where players (up to two) dance to the beat of a pre-selected song and match up their steps with digital arrows on the TV screen.

Sounds just like DDR, right? Well, it's close. But U-Dance wins the dance-off on one count: it's wireless. That means no dance pads sliding around the living room, and no cords to get tangled in when stepping to victory. Instead of a pad, U-Dance features elastic foot straps, called Motion Tags, that have sensors that measure just how close to the beat you stomp your feet. Kind of like a Nintendo Wii, in U-Dance, the player is the Click here to view on Amazon.com