Believe it when you see them being delivered. Dell has a habit of promising one thing and delivering another.
Exactly - this could be a plan to extract more "cobranding" or "marketing" dollars from Microsoft, or to get even lower prices on MS products. Dell did the exact same thing a few years back, when they were all Intel processor powered - they announced they were going to go to AMD processors, Intel panicked and reduced prices for Dell, and Dell reneged on the AMD product. (They've since gone to AMD processors on the low end for some products, like the E521, miserable box that it is.)
definately