I bed to differ! I was watching PBS last night and this video came on, and I didnt realize it was computer animated until it got to the xylphone part of the song. Of course on the youtube version you can tell right away, but on the TV it looks real.
Animusic makes a bunch of computer animated music videos. They are seriously awesome. They have a youtube channel, here is the one I saw last night that got me hooked lol I would suggest watching it on HQ and in fullscreen so it isnt all globbed together in small detail.
Here is their channel page with all their stuff.