They are overpriced, you're absolutely right. This is the reason why I have always used only *BSD/Linux boxes, though I'll get MacBook for development from my new employer. But I wouldn't buy it, it's not worth it.
At this point, the next time I'm due for an upgrade from my employer I'm just going to ask for a Linux laptop instead -- my dotfiles will transfer better, I'll only have to deal with one keyboard layout, and it'll save them some money too.
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