nothing really i never have problems with virus/spyware my nod32 RARELY ever goes off and I never find anything with spyware scanners except MRU list and crap like that
i don't think thats exactly true, its never a waste of resources to be safe. Specially if you shop online whats a few mb of memory and a few bucks to protect your bank account number, or even worst ur social security number. from getting stolen. I think that you have going on there is pretty good i just say you add Ad-Aware 2007 Free - Lavasoft, and youll be safer than ever.