While Freepers will step forward and help you out, you should go venture off to a dedicated forum for questions like this.
Here is a somewhat comprehensive list that you can definitely trust the source of.
http://www.bleepingcomputer.com/forums/topic405.html
But I'm scared of the dark and the unknown.
I'm kidding. Thanks for the link. I won't pick up any spyware or adware there, will I? Lol