http://health.groups.yahoo.com/group/live-food/ (http://health.groups.yahoo.com/group/live-food/) (this group is largely defunct for various reasons, but the archives from the early years may be of interest to some)
http://health.groups.yahoo.com/group/primaldiet/ (http://health.groups.yahoo.com/group/primaldiet/) (To join this closed group, please e-mail jon c fox at fox@hilarion.com asking to join and stating that you've read AV's 2 books and are doing the Primal Diet.
http://primaldiet.ning.com/main/authorization/signIn?target=http%3A%2F%2Fprimaldiet.ning.com%2F (http://primaldiet.ning.com/main/authorization/signIn?target=http%3A%2F%2Fprimaldiet.ning.com%2F) (closed forum, I believe)
New York Meetup Group for Palaeos(mainly for cooked-palaeos, but rawpalaeos welcome too):-