Nice! Whered you score those? I've been looking for a pair but I mostly see them sold individually. I was thinking the ones they used in the movie were Panasonic like all the other Explorer components (road cameras, laser disc drive etc) but those look like a better match than any Panasonic I've encountered.
I was hoping Cyrix would continue his graphics recreating streak and make the JP tour program that's seen in the Explorer but there are only really 2 different screens that are ever shown in the film so it would be purely speculative/new. If it ever got recreated there are companies that make touch screen glass you could put over the front of the CRT to make it interactive. I was thinking of doing this in mine and finding a way to display all the pertinent gauges on the screen (speed, rpm, fuel, temp etc)... Actually now that I think about it, climate control would have to be built in to the system too... hmm... That sounds like a pain but it might be worth the effort.
What kind of plastic are you going to use for the bubble roof? I'm thinking that the maroon dome behind the bubble roof can be made of thin plywood over a frame of sorts then fiber-glassed.