I voted for other, and mine is "none".

If you're careful enough, you won't need one, and your system will be much smoother.

avg was good but it fail my private test.. (i purposely visit a website that automatically dl trojan) so hv to unistall it.
i certainly vote for Kaspersky Personal Antivirus.. dem good and really2 protect the pc.. remember that antivirus is mean to blocked virus or trojan etc.. so i dun care oher thing as resource or scanning speed.. yeah..its not free (who care..paham2 la.. ) it had blocked over 400 dem trojan and virus since 6 month using it at home and college(lan)