Changing my PC's protection

Yeah dear mates, I'm just doing it. While checking the best Linux' version (and still waiting for your suggestions), I have decided to change my whole PC protection.
Instead of Kaspersky Internet Security 6.0 - that I've found simply great, ok, but since evaluation time is gone... I have no money for buying it :-D
So, I have downloaded and installed free version of Grisoft AVG AntiVirus and Agnitum OutPost Firewall. I've already tried them, so I know I can trust them.
Waiting for your feedback!!