Personal Firewall and free at that !

I've been looking for a good personal firewall and looks like PC Tools has a pretty decent one out there

PC Tools Firewall Plus

I still am testing its features, so am not 100% convinced. I have a pet peeve against all these firewalls, spyware detectors, anti viruses etc. I mean the OS is meant to be used for regular apps...from when did these add on utilities start chewing up all my resources. I mean come on, half my CPU is busy servicing these guys. Anways thats besides the point.

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