I found this interesting bit of information at SlashDot.org HERE .

"...RoadRunner is quietly blocking the use of Kazaa in certain markets. Particularly in Texas, they have some sort of port scanner in place which scans for Kazaa activity and then disables use of that port, rendering the program completely useless. Grokster, iMesh, and all other FastTrack programs are similarly affected...."
The full article doesn't really have much more information, but there are a few links provided by the submitter which discusses it further. I know many people (including myself) are on broadband, and for those who use Kazaa, or similar P2P programs, this could cause some problems.

AJ