Ceramic Arts Technical Forum - A forum of technical discussions dedicated to the field of Ceramic Arts - http://www.claystation.com/forum/forumdisplay.php?f=37
Clayzee Ceramic Forums - Ceramic - Pottery forums covering broad range of subjects, from help me area to ceramic sculpture, marketing, equipment, collecting, techniques and styles, to marketing and sales. - http://www.clayzee.com/cgi-bin/forum/gforum.cgi?
Madpots - Several pottery discussions including kilns and firing, fomrs, business, techniques, glazes. - http://www.madpots.com/
Yahoo! Clubs slipdippersceramics - discussion group for ceramists who pour molds. Talk about tricks and tips on the non poppers (molds that have their own personality) Tell club members about new molds and what's selling in your area. Need to find a mold? Ask a club member - http://groups.yahoo.com/group/slipdippersceramics/
Clayart - Discussions by subject - http://www.ceramics.org/clayart/