You are right, it is too bad the reenactor forums are empty, but they were all emptry just a few months ago. As for any other UK reenactors take a look at this site:
http://members.home.net/canuckmain/
It is maintained by Michael Dorosh, the moderator of this forum and a published WW2 author.
PS: I'm glad you decided to stay on, did you get my email?