I just watched this video and it's absolutely gob smacking. To think that less than two decades ago we thought that Toy Story was an amazing feat, the first real fully computer generated movie. It's pretty awe inspiring that you can do this sort of stuff on a reasonably specced PC these days:
http://vimeo.com/7809605
Oh and if you don't believe it's not real: http://www.vimeo.com/8200251