I've decided to go with Utorrent instead of Vuse now and see if I like it more.
And Tasha. There are still risks like any other download out there, but the risks are a lot fewer going through a privae tracker than through a public one. I'm not sure where you are getting your downloads from but a lot of the sites that allow free access are going to be problem causers.
I use Torrent-damage.net which requires you to have an account and it's by invite unless if you are lucky and get in during open registration. There are others out there, but I can't think of a lot of the private ones. I think Demonoid is and I'm sure others here can get ya info on better sites to use than just public ones.