Newegg has the Eset NOD32 AntiVirus Home Edition 3.0 (OEM) for $30 with $15 code discount for email subscribers. Use Code: ESET10115 = $15 with free shipping. If you are not a subscriber, you can just sign up on the WWW site and then place the order. Very effective AV with very low system resource use. I've used mine for about six months and it has been unobtrusive.