I found this comical http://web.archive.org/web/20040227042737/http://forums.digitalpoint.com/ and http://web.archive.org/web/19990822203738/http://www.digitalpoint.com/index.html Blimey Shawn has your site ALWAYS looked that way?
Well, the homepage looks the same and i think shawn was earlier going with PHPBB, but changed to vBulletin which is obviously so much better.
See this post (it goes back even farther). phpBB was never in production, it was a test environment I was using to test some stuff with phpBB (before I had any intention of running a forum)... was up for like 6 months and only 1 user.
This is one is the first capture of the DP forum. http://web.archive.org/web/20040227042737/http://forums.digitalpoint.com/
Well I have been a member here from more or less day one, and I don't recall anything other than VB being used