I'v got Win XP Home.  I use Norton Anti-Virus and PestPatrol.  Keeps my system clean better than anthing else I'v ever used.  But using caution is the best defense against viruses, trojans, ect.   
deepblue     
				__________________     "THEY WHO WOULD GIVE UP AN ESSENTIAL LIBERTY FOR TEMPORARY SECURITY, DESERVE NEITHER LIBERTY OR SECURITY."
--Benjamin Franklin        |