Webmaster Serve Forums
Webmaster serve domain name and other webmaster related discussions. Join us for webmaster related issues
http://www.webmasterserve.com

UK Webmaster Forum
UK webmaster related discussion forums discussing topics such as website promotion, domain name registration and other topics
http://www.ukwebmasterworld.com/webmaster-world/

IDN Forums
Learn and understand about international domain names. Site has punycode coverter, and a weekly updated blog.
http://www.idnforums.com/forums/

AdminFusion | Forum Owners
A community for all forum administrators and moderators. Featuring PostFusion, an automated post exchange!
http://www.adminfusion.com

whichBB.com
whichBB forums are our newest addition to whichBB and provide an excellent place for webmasters to discuss whichBB will forfil their community needs.
http://whichbb.com/forum/index.php