ESET Nod32 Antivirus 5, 1-User for $9.99 shipped after this $20 rebate.  Here is a screenshot before the $20 rebate for your reference.  This antivirus software features award-winning ThreatSense engine. It proactively detects and eliminates viruses, trojans, worms, adware, spyware, phishing, rootkits and other Internet threats, and was awarded the "BEST Antivirus Solution" [...]