Alienware's gaming laptops are getting a new look, and one will even offer a massive 18-inch screen. Dell's gaming brand has been on a roll over the last few years with its bold "Legend" design language, which veered into a very sci-fi aesthetic, as well as its super-thin X series notebooks. This year, Legend is being refined for a third time with a focus on "form, function and quality." Alienware's new machines still look strikingly different than most other gaming laptops, but now they're...