mx5cartalk.com

OK...not a cheap option, but check this out....
http://www.gizmosis.com.au/
Doble Din system that looks after all your normal entertainment needs, and then some....plus, an in dash display that does away with the need for extra ugly gauges....
Just use software for tuning to call up the info you need...boost, temps etc.
ANyone know of simple windows based software that allows you to look at what your aftermarket ecu is doing?

Have you tried the manufacturer of the ECU to see if they have any software and cables to link to a laptop?

Even better if it has USB connection.

Mp3car also sell car pc systems, and they do custom ones aswell
http://store.mp3car.com/Car_Computer_Systems_s/25.htm