I've been using Ad-Aware & Spybot for ages and they complement each other, but I also recommend using Spy Sweeper (www.webroot.com) which finds spyware that the other 2 miss!
I've proved this time & time again and always run Spy Sweeper after the other 2 just to make sure.
I've proved this time & time again and always run Spy Sweeper after the other 2 just to make sure.