IMHO, Kaspersky is the best anti-virus solution aailable on the net at present. Not even Nod32 can beat it. I have been using it for 3 years now and am fairly satisfied by it.
kaspersky is good but as per my experience quickheal is best. I think its all depend upon person to person
I am satisfied with kaspersky too . The only occasion that wastes my time and makes me annoyed is as following . http://forums.digitalpoint.com/showthread.php?t=1171752 (visit it if you are interested)
Commodo Internet Security is free & best among all free software's including kaspersky 30 days free trial.