Since this is for noncritical viewing why not try to get a couple of hearest monitors and DVD (player?? It sure would make a nice little project that you could do yourself in a weekend. PLUS, it would impress your friends. Brent I forget where I saw a package that had 2 monitors, a dvd...
If you're only looking at using it on long trips I'd look at "in a bag" soluting. That way you can remove everything when you leave the vehicle. It even means you can plug in where you stay.. Brent