Not that I'm into any of this PHP stuff, but this guy did a descent job of making a tag cloud generator that can read text documents, parse each term, find out the stems or roots of complex words, eliminate stop words and make a usable tag cloud. Check it out at:
http://chir.ag/phernalia/preztags/ (Analysis of Presidential Speech... [More]
Looks like the SP1 beta has some issues with Work Item tracking. Nothing that causes you to not be able to do work item tracking as much as make it extremely inconvenient.