Highlife, I like what you guys did with your site. I was just checking it out today after reading this thread, and I must admit that after viewing a boatload of other teams who used MediaWiki or some alternative (and yes, lots of teams also use Wiki) I thought that this was just for the most basic of setups. Kudos, keep it up!
We use Joomla! Content Management System [
http://www.joomla.org/] and I'm in the process of setting up a Wordpress for blogging, then somehow integrating those with phpBB from MySql to make one big happy site. I like keeping busy, as you can see!