Which Anti virus is best?

Which Anti virus is best? I had Avast, Norton, Kaspersky, NOD32...

Now I have Zone Alarm.

So Which one is "the" best?

Which Anti virus is best?norton internet security 2008

I think Avast...

Which Anti virus is best?spyware removal

PC CIllin
Norton Anti-virus 2007
Try some of these:

Spyware, Adware, Trojans, Malware, Dialers, Keyloggers, Popups:

http://www.download.com/Ad-Aware-SE-Pers...

http://www.ewido.net/en/download/

http://www.javacoolsoftware.com/spywareb...

http://www.download.com/Bazooka-Adware-a...

http://www.javacoolsoftware.com/sgdownlo...

http://www.safer-networking.org/

http://www.download.com/HijackThis/3000-...

http://www.emsisoft.com/en/software/down...

http://www.superantispyware.com/download...

Online Scanners:

http://www.webroot.com/consumer/products...

http://www3.ca.com/securityadvisor/virus...

http://www.pandasoftware.com/products/ac...

http://www.bitdefender.com/scan8/ie.html

http://www.windowsecurity.com/trojanscan...

http://www.kaspersky.com/virusscanner

http://www.spywareguide.com/onlinescan.p...

http://housecall65.trendmicro.com/