I would recommend Link Removed, Shooters Alliance for Firearm Rights. This group grew out of the strife that went on in MCRGO. It has done numerous good deeds, including pushing for the Castle doctrine laws, and keeping up on what police departments are not following the rules properly with regard to handling firearm "safety inspections."
I don't really want to get into bashing MCRGO, but I will tell you briefly what I know about the lawsuit. It stemmed from one of the members of the board of directors not being allowed the information to do her job. And it only got worse from there. There used to be quite a bit of info on it at Link Removed, but it seems to have disappeared. However, there is also a forum there, and you might find some of the info there, if you're really interested in it.