When someone asked me if Pritlog can be used for discussions, I got this little idea. I tweaked Pritlog (took me an hour) and see how it looks now:
http://hardkap.net/labs/pritbb1/index.php/mainPage
This is just so you can get a feel of how Pritlog can serve as a forum. It is not even 20% complete as a forum, but just as a start/rough preview.