Really? I use the free AVS version and am now getting popups from AVG about upgrading. Plus the problem with the "Invalid Update Control CTF File" errors comes and goes every so often. Bothers me as well that some of the settings can't be turned off.
Nod32 is the best anti-virus program. Every statistic I saw says that Nod32 is the best anti-virus program ever made.
Best by what standards? I would rather have a less accurate virus scan than a resource hog. Keep in mind a virus scan is supposed to be a "last line of defense" type of thing. If your virus scan detects a virus after your PC has been infected it's about as useless as a screen door on a submarine.
I use AVIRA and Comodo 64bit Last AV-comparatives test (Retrospective/Proactive Test May 2009) : http://www.av-comparatives.org/images/stories/test/ondret/avc_report22.pdf www.av-comparatives.org
Kaspersky! Every time I do the scannning, my computer runs slow. Gonna change for another one when it expired.