I've heard of a number of people on other HTPC forums (like AV Science Forum http://www.avsforum.com/avs-vb/forumdisplay.php?s=&forumid=26) recommed NOD32 from eset it seems this has a minimal impact to resources. This is commecial software and I believe I will be purchasing it as I rebuild my computer next month.
but they're cancelling support for the free edition on Feb 18th. Sh*t !!
No, that's not correct.
AVG Free 7.1 version will be discontinued on 18th of Feb 2007.
But, GRISOFT is announcing a new version of the AVG Anti-Virus Free Edition. This new 7.5 version with improved performance and full compatibility with the latest Windows Vista version is available ....