http://www.archive.org/details/siggraph
For lovers of computer animation this is a must see site. I'm not quite sure, but i think it's currently free (It may be free all the time, not sure), just that i found it thorught the other site "World eBook Fair", so it might be tied in with that sites current "free" period.
Regardless, go there, it's an awesome way to spend a rainny afternoon....
Ps: To considerably speed up the D/l times, use a D/l manager like, ReGet, i'm getting 800klbs and over from my optus cable, off this site, using ReGet...
[hr]
Here's a few to get you in the mood.......
http://www.archive.org/details/WORKINPR2001
http://www.archive.org/details/EnemyAtT2001
http://www.archive.org/details/CartoonN2001
http://www.archive.org/details/LittleMi2001 (My boy just went nuts over this one.. lol.. loook DAD!!!! SPIDAAAAA!!......) lololol
http://www.archive.org/details/Consider2001
And this one, one of my favourites, it's based on the brilliant opening sequence of Sergio Leone's 'Once Upon A Time In The West...'
http://www.archive.org/details/WhereisF2001
Just fucking awesome texture paiting... woaaaa.....