Microsoft's conceited arrogance...
Microsoft seem to become more arrogant as time passes. When Microsoft produced Windows XP in 2001, they shipped it with two interfaces; Fisher-Price and Windows 2000. Looking at it now, there's hardly any difference, but obviously enough to concern Microsoft about alienating their user community.
Now wind forwards eleven years... Microsoft produce a radically different UI that will take most people a *lot* of getting used to -- and that's ignoring the valid argument that it's an inappropriate 'touch' UI foisted on a Keyboard/Mouse/Window interface.
This time Microsoft are so arrogant that they make not the slightest concession to people used to their "old" way of doing things. They produce a radically new operating system, Windows RT, which requires a leap of faith that you'll be able to get applications, and charge MORE than the market leading iPad.
Microsoft only have themselves to blame for this self-made mess.
It beggars belief that Microsoft can't see what's happening.