Hell freezes over; it must've been the liquid cooling: Hannibal on the Apple-to-Intel transition
This article sums it up pretty nicely (and accurately) for me. Definitely worth the read.

http://feeds.feedburner.com/arstech nica/BAaf?m=582
It's been a couple of days since the big announcements, and now that the news has sunk in, questions are arising like "why Intel over AMD?" and "which Intel CPUs will Apple be using?" In this article, Ars CPU expert Jon "Hannibal" Stokes looks at Intel's road map and draws some conclusions as to where Intel's CPUs fit into Apple's product line.
http://feeds.feedburner.com/arstech