BuddyPress.org

Only note to consider with this members-only plugin is that it redirects users trying to get to the main blog/site, but if they have URL’s to other “pages” members pages, etc… they can get to those directly. The redirect doesn’t apply to those pages/sections. (at least not yet)

If you find a solution to this problem wpmu/buddypress-wide, please let me know. I’m looking for a similar solution.