any opinions on avast or avg?
Avast is nice, but haven't tried avg. I have used NOD32 2.7 for two years now without spending a penny and i have never had my comp infected. The great part about this version is that it doesn't consume a lot of your memory like norton or mcafee do.
http://www.mediafire.com/?qqijgtmzdmu
Just follow the readme file in there and you will have antivirus protection for free plus unlimited updates in the future.