The Nintendo Wii, XBox 360 and Sony Playstation 3 are all hot items this Christmas, but it's still unclear which console will take the cake. Right now the Wii, which was marketed as woman-friendly and approved, is leading the pack with more than 1 million units sold in the U.S and Japan and Nintendo says they expect to sell at least 2 million units by January. If you're wondering how, check out this video [1] of a Japanese woman shaking her groove thing while playing tennis. It's just plain addictive.