Great answer MLM. I currently use Spybot S&D, Adaware, and AVG. On my Vista machine I use Spybot and AVG because Adaware hasn't updated for Vista yet. But it is good to use more than one malware removal tool.I would like to add another link to your list of support forums.
http://www.cybertechhelp.com/ There's always a geek there just waiting for someone to ask a question. They also have some great sticky information for people new to fighting spyware.Good Luck!