It seems that eInk technology has reached it's limits in terms of contrast. I was disappointed when I compared the new Kindle Paperwhite to my Kindle Keyboard.

It seems that eInk technology has reached it's limits in terms of contrast. I was disappointed when I compared the new Kindle Paperwhite to my Kindle Keyboard. With the Paperwhite's backlight off, the contrast seemed a little worse - blacks were a little more grey.