I had to vote for Emsisoft for multiple reasons. I can't even install G Data without it failing, it's resources usage is fine however it weighs down the system like crazy, and unlike Emsisoft, it does what it want with little user interaction. I'm big on telling AV's what to do, not it telling me what to do. As for F-Secure, never really used it. If there is an extended trial offering again, I will give it a test. To my understanding however, it doesn't have it's own firewall. In my opinion, it's not internet security without a firewall, AV, and web blocking.