We've been struggling with WPMU (WordPress MU) for lockergnome.com bloggers for a while now, but I don't know if that'll ever scale to the point we need it to be - especially on WPMU with its lackluster set of features and crummy support options.
What if I took the platform that Geeks is running on and launched experts.lockergnome.com? You know, for the more serious social networkers who are trying to put their professional foot forward. Answer questions, get their own questions answered, etc. Thoughts?
It would be open to anyone / everyone, of course - and I'm thinking of using http://www.elgg.org/ as the foundation (but I don't know ANYBODY with elgg experience.