I have an older Clarion system in my van with a 5.8"
monitor mounted on a articulated arm above the rear
table.
http://home.earthlink.net/~tjhannink/photos/Rear_Seat_Monitor.jpg

I have a system layout here:
(http://home.earthlink.net/~tjhannink/AV_System_Diagram_and_Product_Specs.htm)
with all the product specs and interconnecting cables.
I don't have many photos of the installed system,
because you can't see anything but the headend unit up
front and the monitor is really hard to see when it is
stowed in front of the flourescent light.

Future plans include a Playstation 2 and a Jensen XM
Satellite radio.

I have a laptop which I usually carry on trips.

Instead of a GPS, I have a compass-indoor/outdoor
thermometer in place of the rear view mirror
(http://home.earthlink.net/~tjhannink/photos/PNI_Compass_Thermometer.jpg).
In fact, I just finished hardwiring the power for it
to the circuit for the passenger side vanity mirror a
couple of minutes ago.

I think that the Clarion Joyride system
(http://www.clarion.com/joyride.htm) would be worth
taking a look at. Clarion does a really good job of
integrating components so they can all be controlled
by the headend unit and its associated remote control.

Good luck with whatever you decide to do.

=====
Tim Hannink
Goldibox - 1987 Vanagon Camper, Wolfsburg Edition
Winter Park, Florida
http://home.earthlink.net/~tjhannink/
http://groups.yahoo.com/group/wolfsburg_campers
http://photos.yahoo.com/tjhannink [Vanagon] Album

__________________________________________________
Do you Yahoo!?
New DSL Internet Access from SBC & Yahoo!
http://sbc.yahoo.com