On Forum Software:
I like vBulletin.
I recently upgraded my SwordSearcher User Forum from phpBB to vBulletin, and I couldn’t be more pleased with the process. My phpBB board was getting hammered by spammers and administrating the board was just a major chore because of the way phpBB is set up.
Not so with vBulletin. Handling administrative tasks is just so much easier. This is definitely another example of “getting what you pay for.” Just because something’s free (as in phpBB) doesn’t mean it’s a good deal.