NOD32 and avira beats kapersky... had some time ago where i used trend micro, installed kepersky and found a few more, installed avira and had 3 suspicious files, installed NOD32 and it told me those suspicious files was virus... NOD32 and avira beats kapersky with 3 files:)
you can searth after the best antivirus 2008... think bit defender is number 1 at most of the different opinions each site have...