Why can't Comodo Dragon scan for viruses?
because CIS already does it, no point in scanning it twice.
malware blocking dns...or something.
I think that's a great feature, if fact comodo already has it. Here's how to do it (It's easy)
For Windows XPhttp://www.comodo.com/secure-dns/switch/windows_xp.html
For Vista or Windows 7http://www.comodo.com/secure-dns/switch/windows_vista.html
Your basicly just changing your DNS to this