Forum guide
Free forum directory, no reciprocal link required.
http://www.forum-guide.net
Li'l Engine Directory Submission
Forum from Li'l Engine about Directory Submission.
http://forums.lilengine.com/f5
SEO Chat
Forum about directories from SEO Chat with sepcial sections on the Open Directory Projects and Yahoo directory.
http://forums.seochat.com/f12/s
SEO Guy
Forum about directories from SEO Guy.
http://www.seo-guy.com/forum/directories.html