actually I got mine "used" from MP3Car.com (UKChris) and it wasnt used at all still had the plastic covers on it and the wire toppers.

I got it for $160 shipped, but included a 512MB USBThumbDrive and a 20GB laptop HD :p

The screen I have has no sound input at all (as far as I can tell) just has a composite input (and what looks like a composite output as well).

I dont mind hittin the button to pop the screen out, ironically enough there isnt enough clearance when in park for the screen to come out anyway; which makes manual the best option (for me).

the screen looks surprisingly good for its low cost. Im not sure how long I'll be keeping it, for fear of tickets and what not (even though Im 100% sure I wont be playing XBOX while driving)