Your link is to, basically, an advertising overview--why should I use XP, etc. I am sure the compatibility center is buried in the sludge, but could you please link that URL? Or is it obvious and I'm just missing it? I think I see what you're talking about. Here is the link to the article:
http://zdnet.com.com/2100-1104-985820.html
Is that what you needed? Let me know if not, and thanks ...