Dear mset,
Instead of offering my personal opinion,i request you to go thru'this critical review of 3 anti-virus suites by cnet.com.au
http://www.cnet.com.au/tag/antivirus...t_security.htm.
That dosen't fully answer the question you posed.Superantispyware pro is a real must,for real-time protection.Because having two anti-malware programs ,(the internet security suites have anti-malware function integrated inside) running in real-time is not a good idea,iam not recommending the excellent product"Malwarebytes anti-malware"(MBAM).See this review too:
http://www.eset.com/threat-center/blog/?p=156.
I sincerely like your liking for"pro-active defence"(another fancy word for real time protection).
I use Kaspersky Internet security Suite2009 and,personally am happy with it!The advantage is automatic updates every day or more frequently of virus signatures,REAL TIME PROTECTION ,anti-malware protection(Real time ,again),a good enough firewall,etc!
