If you are looking for a few resources and a group to join- most need approval via email: http://real.org/madoffsurvivors.htm
Google Group: http://groups.google.com/group/madoffsurvivors
Press and Victims (approval needed) http://groups.google.com/group/madoffpressandvictims
Support Group: http://groups.google.com/group/madoffsupportgroup
Madoff Barter Group: http://groups.google.com/group/madoffbartercommunity
Recreating Wealth: http://groups.google.com/group/recreatingwealth
Another great resource: http://www.bernardmadoffvictims.org
