This is a 'quick and dirty' method for getting IPv6 running in Vista with a free news server.
Go to Options / Preferences / General.
Click the button marked "Install IPv6/Terado".
Exit uTorrent. May need to reboot.
Download and Install Binbot ( binbot.com - crack is available on usenet )
Enter the following detail...
Click the 'Advanced' button, set connections: 16
(Server speed is 20mbit and retention is 107 days)
You now have IPv6 enabled in torrents and usenet.