Check this out. Mcfee for 10 bucks. Need to act fast because this is a today only deal.

http://www.buy.com/prod/mcafee-antivirus-plus-2010-1-user/q/loc/105/211441096.html

In my opinion, AVG used to be a very good antivirus software until version 8 came out. It used to be light and fast but now it is more resource hungry and considerably slows down the computer.