So, Sony has a robot called the QRIO. I’ve seen several biped robots come out of Japan recently, so I wasn’t all that geeked, but there was a link to a wmv of the robots dancing.
I was extremely impressed. The nuances of movement involved in a dance were all there, from slight tilts of the body to complicated movement of multiple limbs. Additionally, it’s 4 robots doing a complicated Japanase traditional dance, not just doing their own thing.
It was on /. today, so it may be hosed, but check it out later. I have a copy if it goes away.