I've built concept cars for the auto industry my whole life, just this one won't have unlimited money and resources to build.
I'll probably get the dash replacement from Hung Vu to start. If I do a dash mod, I want to build it in pieces. I would like to do piece for the top, the sides, and knee bolsters. Then make the area around the gauges and center stack separate. That way you can wrap the dash in leather with no stitch lines everywhere, just where you want them to accent the details. I would do the gauge and center area in painted frp. I have a spare dash I will slowly mod on the side to see how it goes. As I go along if anyone would like some parts for their own car that would be fine. Just remember, every car is different on the inside and my car is by no means perfect, so fitting properly is all up to the customer.