Full Pictures of the keyboard have been shown for a while...

Here's some info about navigation. We'll use the the screen as your focus..

To the left of the screen you will feel sliders that control volumne levels.
On the right side you will have a group of buttons like a telephone pad, the buttons are raised, This group of buttons will be the style banks. The buttons are slightly raised, so you'll be able to feel them. If you slide your had to the right of the keypad, you will feel a couple of long rows of buttons, which will be your sound choices...

On the side of the screen will be 5 buttons each. Each button will call up a style or sound, depending on what your trying to select.