Huh... That is really not the vibe I get from their website[0].
>"There are a host of nasty intruders on the Internet including viruses, trojans, worms and spyware. Microsoft Security Essentials offers award-winning protection against these intruders without getting in your way."
To me that reads like MSE is really good at protecting your computer. Why should I as a consumer think that I need something else? They really need to message that better if that is indeed the case.
[0]: http://windows.microsoft.com/en-us/windows/security-essentia...