http://pub104.ezboard.com/bclosecombat82274
http://forum.the-exiles.org/
http://www.the-exiles.org/Links-forums-egroup.htm (Links)
http://www.savateaustralia.com/ (Link to Yahoo! Savate forum)

Plus any number of sword fora (see the Sword Arts (http://www.martialtalk.com/forum/forumdisplay.php?s=&forumid=9) forum here).

Any others?

I guess we could probably include this one as well...

http://www.thearma.org/forum/ubbthreads.php

Plus, a sambo specific one, that doesn't have a whole lot of activity yet...

http://www.rus-sambo.com/cgi-bin/yabb/YaBB.pl

Today I found:

http://www.fencing101.com/vb/
(Fencing forum - includes both sport and classical discussions)

http://forums.swordforum.com/index.php?s=
(Sword Forum International, deals with everything from western arts in general, to sword collecting, to Olympic fencing -- extremely comprehensive, lots of ARMA and SPATHA people)