i found this website where they show 4 screens with all different functions going on on at the same time i think its just one pc ..
take a look the company tht does this is in UK

http://www.in-carpc.co.uk/filmindex.htm
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i was wondering is there a system like tht... in US tht wold do tht so tht everyone in the car has ability to do something different at the same time

wat i want to do is put 2 screen one in the dash with main screen and the other one as a flip down in the back with different applications running ..