As a matter of page display, I´d probably use a non color one, gray or that army gray as people did before. I´d keep the color for the page layout and logo.
I like the angle shot there as it shows a shoulder button and the pen, my only complain is that the image is too dark, the pen side is too dark and the keyboard, which I think stands for one of the highest selling points, is also darker then the front with the sd cards.
While it looks pretty, I believe functionality should be the point as that image is going to be the first a new user is going to see, so I would not even use black.
But maybe that is just me.
edit: yep I agree the screen looks strange, I´d dump a test image from the wip OS and use that instead.