Since this thread is in a bit of a rut currently, I'll post some great examples of animation that I've found recently.
http://www.pascalblais.com/it_petrov_09.html
http://www.pascalblais.com/it_petrov_08.html
^Aleksandr Petrov, a commercial and a recent short film that'll hopefully win the Oscar
Prince Vladimir (click on the 25,66 Mb link)
Street Musique (the first little bit is live action)