I think the best way to do this is just to make a general sign-up sheet/list.
No need to search for anyone's forum post count. Once someone signs up I'm pretty sure they're going to check back fairly often, and probably be further inclined to post here.
No need to search for anyone's forum post count. Once someone signs up I'm pretty sure they're going to check back fairly often, and probably be further inclined to post here.