teach me more. everyone on the net says they are a must. I know it has about 20 sites labled(blocked) that has tried to look at my computer. and I don't download much. only 2 movies, one software (to test) and a few songs I started using it because of articles like this, http://www.maximumpc.com/article/features/20_essential_tricks_and_skills_every_bittorrent_user_should_know