I rarely use Kazaa anymore. The version of Kazaa I'm running is called Kazaa Lite K++, which is great because a) its freeware b) no spyware included in the installation of it. Unfortunatly, I think it's fairly hard to find a copy of it now, I backed up my install file onto a cd-rw.
Mostly I use mIRC though (in conjunction with
www.ircspy.com) and it works easily 20 times better than Kazaa. I never worry about fake files or spyware (although there is the occasional spyware in a crackfile). I used to use BitTorrent, but found it annoying that I had to share lots of stuff before I could get good download rates. I always backup my downloads on CD and then delete them which makes for not many shared files on my pc.
But yah, the man will keep trying to stop mp3 downloading and pirating, but there's always going to be people out there finding other ways of doing stuff. I don't know why they don't start more P2P systems in Canada, because here its perfectly legal to share files.