Microsoft document on misunderstood features of Vista is back online, with a few changes... but the substance remains. There is a flow of interesting comments in many blogs:

I'll refrain from commenting any further. The core idea that Vista is perfect and users (and developers) are dumb and cannot make the best of it remains, although some of the "not-so-technical" descriptions of why Vista looks slower than XP but is indeed faster have been removed or "improved".