I just kicked Norton of my wife's Vista PC, thanks to Norton's own "Norton Removal Tool". I'd like to know what your definition of "common-sense anti-virus pro

I just kicked Norton of my wife's Vista PC, thanks to Norton's own "Norton Removal Tool". I'd like to know what your definition of "common-sense anti-virus protection" is, though. Apart from "don't download/install anything from untrusted places".