Voices in Animation

Discussion continuum hosted by Animation Artist Magazine: Anime, Films, 3D, Video Games, "How To" as well as a general animation forum.
http://www.animationartist.com/cgi-bin/UBB/Ultimate.cgi

Toon.Com

Cartoon and animation forums: general discussion, animated films, trivia, collectibles and marketplace.
http://www.toon.com/message/wwwthreads.pl

Animation Nation

In-depth essays on the animation industry. Also includes message board and archives.
http://www.animationnation.com/

AWN Discussion Forums

Hosted by Animation World Network for fans and professionals alike to discuss anything and everything having to do with animation.
http://forums.awn.com/

Animation Journal E-Group

Free e-mail list "for individuals who are conducting scholarly research in the areas of animation history and theory".
http://groups.yahoo.com/group/animationjournal/

Animation Cafe

A place to talk about classical animation, 3D animation, stop motion, life drawing, layout and storyboarding in terms of problems, critique or suggestions.
http://groups.msn.com/animationcafe/