In the latest GaGa music video for Bad Romance, you can clearly see around 2:40 that there are some Wii Nunchuks in frame and used to control... something. Seems like some sort of new age eBay auctioning with Nunchuk control. Mmm, sounds cool, but unnecessary.

WARNING: Vid may be a bit NSFW: http://www.youtube.com/watch?v=ACm9yECwSso