AVG8 is doing my head in!

I currently use Avast Home Edition - seems to work quite well.

Check out the reviews of different AVs:

http://www.pcworld.idg.com.au/index.php/taxid;790908123;st;6;tax%5B0%5D;790908123;pg;1#prodlist

Bitdefender scores highly and Avast... (although Norton isnt that far behind - havent used it in a LONG time)