When it comes to computers, you want it all: the portability of a laptop, the extensibility of a desktop, as well as the sleekness of Mac OS X and the wide selection of software for Windows. After virtualizing and dual-booting Windows on my MacBook Pro for well over a year, I'm done—done with slow virtual machines and "your hard drive is low on space" messages, done with having to switch gears to move from one OS to another. There's software and hardware I'm invested in t