It's a compelling proposition: all the power and application compatibility of a laptop running a proper desktop operating system, all the portability and convenience of a tablet, all mixed together in one package. That's the core idea behind Microsoft's Surface tablets but, as we saw with the Surface for Windows RT a few months ago, its ARM-based nature resulted in some substantial drawbacks. Namely: app selection. Running Windows is all well and good, but when you're running the RT flavor, which strips compatibility with the entire, massive and still-swelling catalog of Windows applications, you're left with a desk