You don't drop thousands of dollars in software, pre-existing hardware, and and unquantifiable amount of money in knowledge investment over a laptop screen finish. Quite hyperventilating.
That might be true for die-hard Apple fans. But there are a lot of us who are waiting on the fence trying to decide if they will join Apple or not. Unless Apple intends to remain at a single digit market share forever on the OS competition, these people are an important target...
Many of these people have been dragged to the Apple world by the iPhone success.
I'm one of them. I have zero investment in Apple software, because I currently use Vista. Anyway, I'm mainly into development, and most of my tools are free and cross-platform. Likewise, for photography, I can convert my licenses to Apple without too much troubles.
What dragged me to the Apple world is that I'm platform agnostic for most of my work (Java and Ruby), that I use Linux almost on a daily basis and that I wouldn't mind using a "better Un*x". And, most of all, that I want to extend my skills to the iPhone, and you pretty much need a Mac for that.
However, Apple is not easy to like. After the whole NDA business on the iPhone SDK that looked very very bad to an outsider (Microsoft never pulled a stunt like that!), now the business of selling laptop that *are* very expensive with a feature forced on me that makes it hard to use as a true laptop.
At the price tag of the MBP, I would expect the laptop to be close to perfect, not to be something I will have to struggle with and get used to. I thought the selling point of Apple was it was the job of the computer to adjuste to the user. Otherwise, what was the point of the windows and mouse and visual GUI? After all, with enough work and pain, the users eventually adjusted to these amber or green ASCII terminals...
Who doesn't at least work on an external monitor at their desk anyway?
If I only wanted to do that, I would buy a Mac Mini instead...
As a PC user, the MBP servers a double purpose : it's a door to MacOX *and* it's a laptop. This means that this will be the computer I use while away from home, and I don't carry a 24" LCD on my back...