NOD32 or Kaspersky (KAV) for personal use are very good, i have been using KAV.
Those Avasts and AVG´s give you lot of false positives. You know, they need to give you "alerts" even they are false, to make people to believe it actually find something out
McAfee is also good, one of the most oldest out there. I am using their solution for my Linux based email server.
Finally F-Secure is good option as well but its more heavier than others.