@Charles: Really? Well, I guess I'll find out soon! Thanks for the heads up.
Is Microsoft/Channel 9 going to come up with a how to or anything specifically for upgrading the Build tablet. Bearing in mind they handed out thousands of them, they must know that quite a few of us are going to want to upgrade the thing to CP version!
Not a bad idea. I'd imagine the Windows folks have already done this. Have you checked out the officially sanctioned information? Start here: http://windows.microsoft.com/en-US/windows-8/faq