I have been thinking about using a Lexan windshield in the new truck. The "A" pillars are in the wrong location on this model. They need to be mounted more inboard. But this shows the windshield curvature.
This firm in Michigan coats Lexan for windshields:
Welcome to Exatec - inspiring plastic glazing technology
They make the Lexan windshield and side windows for the new VW plug-in HEV:
http://www.exatec.de/downloads/6553/...ch_4,_2013.pdf
I e-mailed them and even spoke with one of their salespersons in person at a trade show. They never got back to me. I cannot get a response from anyone with one-off requests. If you want to buy 10,000, they'll talk to you.