That is a major downside for some of us. I don't like the idea of a big (big being a relative term here) laptop setting where I can see it while I am trying to drive. I would much rather look at my 60cs mounted in the A-pillar where the buttons are at my fingertips from the wheel, and the screen is right next to my field of vision. It is more visible than my phone, but I don't need to look at that unless someone calls
Anyway, that is just my 2 cents worth.
Oh, and did I tell you, it has voice recognition and voice output. It tells you well in advance which turn to take and so on.