At the moment, I only read and post here and
www.railroadforums.com At other times, I have fora for my Chalet trailer, Toyota Tacoma and video production.
Now, this place has the traffic of most of those combined and most of it is on topic. RRforums is nice because it has a no politics/religion/swearing policy. I enjoy this place because it is open to all discussions. Variety is good.