Just so you know, the backplate in the last picture appears to be a white model, not a black one. The backplate will be darker than that on the black model.
Black and a silver slab in the middle would look terrible.Oh I know thats the white model, I was just saying the black ones I saw posted previously. It looks like the back and sides of the white one are going to match silver/aluminum similar to the macs. I really don't get why they wont do the same for the black