I think that some folks are missing the point. Or perhaps, I'm missing what they're saying. BUT - say the above statements equal each other out:p and let's take a quick peek at the roof of the concept:
I don't think a sunroof is possible.
And personally, as a Coupe-buyer, I want those sharp lines of the inverted mohawk
(that the designers took time and effort to execute) over a bland, looks-like-every-other-car-boring roof just to accomodate a sunroof option.
Oh, and you can't really tell anything from that prototype picture. :p Be serious.

There was a glare, on top of Cow-camo, and it was poor resolution. You could take a picture like that of my grandmother's face, and you wouldn't be able to see her wrinkles....