Thanks for the MS beta spyware info.
I found this interesting, but they left out windows 98!
http://www.avantgarde.com/xxxxttln.pdf'The experiment tested to see how well commonly used computer platforms withstand Internet attacks in the wild.
The experiment quantifies the amount of time it takes for a computer to be attacked and compromised when placed on a live network for the very first time and qualifies the type of attack method used to successfully compromise a computer over a two week period.'
I heard that since this was done, that more Linux and OS X vulnerabilities have been exploited to show they're not invincible.