Ranking of the World's Top Antivirus Software in 2006:
Gold Award: BitDefender
Silver Award: Kaspersky
Bronze Award: F-Secure Anti-Virus
4th Place: PC-cillin
5th Place: ESET Nod32
6th Place: McAfee VirusScan
7th Place: Norton AntiVirus
8th Place: AVG Anti-Virus
9th Place: eTrust EZ Antivirus
10th Place: Norman Virus Control
11th Place: AntiVirusKi
12th Place: AVAST
Here is the foreign website for the rankings, with very detailed information on various features, prices, awards, etc. Understanding English really helps!
http://anti-virus-software-review.toptenreviews.com