Mods, please delete my post if it contravenes forum rules. Linking to other forums has been against the rules in some forums I've been involved in, but I had a quick look at the forum rules and couldn't see anything on the subject. Perhaps I missed something though.

Sawmill Creek Woodworking Community have some laser specific activity. I'm not sure I'd describe it as more active than here, but it's another source of info at least