I have been using NOD 2.7 and Threatfire for a while now without issue. I also use on-demand applications like SAS and SpywareBlaster, and use a hardware firewall/NAT router. I'm not totally sure what Threatfire can be classified as (ie HIPS protection, firewall, registry blocker, virus, etc) so I'm not sure what holes exist in my security setup. Do I have a need to use a program like DefenseWall and/or RegDefend, or do I have all my bases covered? Thanks in advance for answering my noobish question!