I came across an interesting venn diagram a couple of times and it looks like the source is here: http://uxevangelist.blogspot.com/2009/05/windows-7-more-of-new-7.html
While microsoft may not always deliver the WOW, their marketing is often top notch.
MS message strategy for Win 7 appears to be the following:
It Works -> It's easy -> (Does What) I Want -> That's Cool.
That is a great recipe.