I've become over-fascinated about ARM's roadmap since investigating a post I did for Computerworld over the weekend. To me, it makes just a little too much sense that these chips will rise up the ranks of Apple's products over the next few years. For instance, take a look at TI's 600MHz OMAP3440 ARM processor. (see full size here)
This isn't a "roadmap" processor. It currently sits in Arch