What are the best antivirus softwares???????? ......paid or free doesnt matter?

all antivirus softwares do pretty much the same thing. i use microsoft security essential. it's free and it's simple to use. a href="http://www.microsoft.com/en-us/security_essentials/default.aspx" rel="nofollow"http://www.microsoft.com/en-us/security_…/a