I was aware about those video but forgot to mention them on my blog. Here is the link to a cool series of old Disney and Warner short film where you can track which animator animated which shot. How cool is that??

[youtube]http://www.youtube.com/watch?v=JwMIE6JwLUk&feature=player_embedded[/youtube]

and here is the link to all the videos

http://www.youtube.com/profile?user=cartoonexpert#g/u