Look down the aisles at any Apple launch event, across the laps of dozens of journalists liveblogging or in some other way documenting the goings-on, and it's inevitable that you'll see MacBooks. A lot of MacBooks. And, since many of those laps are irrevocably linked to owners who spend their days jetting around the globe to other companies' events, those laptops are quite often the travel-friendly MacBook Air. So, while we were excited to see a thinner, lighter 15-inch MacBook Pro with Retina di
