The great AntiVirus Battle, which sould i install with next format?

[Schadenfroh]

I have

Norton Systemworks 2002 Pro (the only thing i will install is the antivirus, i dont need any of that other crap)
Norton Antivirus 2003
PC-Cillin 2002
AntiVir
AVG

I have plenty of licenses for all, no worry about experation dates, got em in a bulk deal off of ebay