These sites are in need of an infusion of more thinking folk. They're atheist-friendly (no theist admins banning anyone who dares to think or anything like that) and already have a few folk I think y'all will like
http://www.atheistforums.com/
http://www.conflictingviews.com/
http://www.atheistforums.com/
http://www.conflictingviews.com/