I hope so too.
i'm interested about the differences between both years. perhaps, you can Show them side to side?
I've built the same GNX about three years ago and never noticed, that the windows have different sizes...days ago, i took him on the bench for a "short" restoring..."paintcracks"...now i mast take a closer look on it.
your photo etched parts are amazing! something, i would like to have too.