Amazon.com offers Symantec's Norton AntiVirus 2009 for Windows, model no. 14131314, for $14.99. Shipping adds $4.98, or spend $25 to qualify for free shipping. Even with shipping, it's the lowest total price we could find by under a buck, although it was $3 less several weeks ago, since expired. This utility blocks spyware, removes viruses, and shields your PC from infected e-mail.

If you're upgrading, a $20 mail-in rebate will yield a net profit of $5 if you qualified for free shipping. How to obtain the rebate:

1. click here and go to "Pre-submit your rebate"
2. search for promo code "08-35687"