Forums
This is the guru3d.com discussion forum.
http://forums.guru3d.com
Rage3d
Rage3d is an amd / ati focused website featuring news, product reviews, utilities, information, and discussion and technical support forums for all amd / ati products and services.
http://www.rage3d.com/board
Forum
Beyond3d discussion forums
http://forum.beyond3d.com
3d Forums
This is a discussion forum for stereoscopic and 3d hardware, such as 3d tv and stereoscopic photography.
http://www.3d-forums.com
Cgtalk
Cgtalk, the cgsociety's official forum for digital artists
http://www.cgtalk.com
3dmd
Discussion forums for 3d artists, with topics about 3d animation, 3d modeling, 3d rendering and texturing | separate forums for artists to get feedback on their finished 3d illustrations and works in progress | commercial section for artists to advertise 3d modeling and animation services as well as commercial 3d models and textures
http://www.3dmd.net/forum
3D Max support forums (eng)
3D Max support forums (eng)
http://support.discreet.com/