Macmotion.de (2,016)
macmotion.de is a German mac-community with lots of daily news, interesting interviews, downloads, a forum, classifieds, a large gallery with cool stuff, and much more...
MacMusic OSX forums (2,844)
This forum site is dedicated to issues and discussions regarding (pro) music on OS X.
The main site, at www.macmusic.org, provides daily news, a links directory, forums, classifieds and articles about making music on the macintosh.
MacWorld OS X Forums (3,977)
Just starting up, but on a nice fast line. Could become useful at some point.
OSXCam Forums (2,852)
Forums for you to discuss your experiences with OS X and webcam hardware and software
OSXGuide.com forums (4,029)
A new site for discussion and help related to Mac OS X. Focuses on learning cool new things to do with OS X and helping others do the same.