Wow. Thanks for all the suggestions. I've been researching all kinds of different CMSs this weekend and I still haven't found some of the ones you suggested. I decided that if none of the suggested ones particularly suit my fancy, I'm going to use PHP-Nuke because I just realized it has phpBB built in
with perfect compliance to whatever theme you may be using. It's amazing. So tomorrow I'll be looking all those suggested systems over. Thanks again!