You might want to give this a listen:
http://www.npr.org/templates/story/s...toryId=4227386
(12-14-04)MPAA is stepping up lawsuits against tracker sites, and European edonkey sites. It seems they're interested in finding a precedent against the hosts and trackers. How they'll be able to differentiate these from a having a photocopier in a library (which was a Canadian judge's standard in defense of the trackers) is yet to be seen.