Would it be practical to construct a computer interface that had a thick pad slide out of my glove compartment, that unfolded into a keyboard, and a small HD LCD in the flip-down mirror? I could put a powerhouse of a computer in the trunk.. Considering I have a pretty big car.. Or would it just be better to carry my laptop and prop it on my lap?

Anyone have similar ideas?

Soda sucks.
It'd be cool, but you'd probably find yourself in a situation where you're doing something, the car stops, and you want to continue what you're doing. On a laptop you can just take it with you, but not with a... car computer?
very Practical, with minimal moniter size, unless there was a way for it to become more compact. I would make sure I had the fastest computer I could find, cause if you in the car you don't want to wait to load a web page or something.
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Gibson Custom Les Paul Left handed

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Maxon OD808

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ah, well i would have to say it's not accurately named. and everybody knows it.

My mind is going. I can feel it.