Oh, and the other thing I did, previous to finding the worm, was reinstall XP on top of itself. Not exactly a recommended procedure, but it did solve the browsing problems I was having with IE 6--some kind of corruption of ActiveX controls. You can't just uninstall IE6 and reinstall it, it is integral to XP. Reinstalling XP was pretty uneventful actually and got the job done.

W-O