Replr.com: DoFollow forum based on Drupal
After going through the alpha stage, finally Replr.com now entering the beta release and opened to the public. All outbound links on this forum is DoFollow.
There is a point system, which is planned to be exchanged for directory listings. And of course there are premium members who do not have to collect a certain point to be able to obtain a personal blog or directory listings.
You can register to become a member of Replr.com here.