I belong to this one and one other big one. I also belong to 3 specialized ones.
Rocky Mountain fly forums
I only check blue ridge for 2 posters; There is a guy who lives in greybull, wyoming that occaisionally posts, and thats where i have been living in the summer. There is also a guy that posts their from Twin Bridges that starts new threads every couple weeks, and I fish down that way a couple times a year, so i like reading his stuff.