That looks very cool! Don't listen to the few critics, as that is a top notch design.
If I may humbly add I think it would be a nice touch to use a piece of polycarbonate (Lexan) to tie the front fenders togeather. It would give you the option of using vinyl printed decals to represent the grill, headlights, and of course "GT-R" badge on the inside of the clear polycarbonate. This way the decal would be glossy and protected from scuffs, there would be an added dimension to complement the rear detail, and you could cover the pedals and most of the steering column. Just my thoughts. Either way overall very nicely designed, I can't wait to see how it comes out!
I must know though, how do you plan on achieving those contours in fabrication? Will you be using metal, composites, acrylics, polycarbonate, body smoothing compound (Bondo)?