Now I just have the super simple one, with the basic grey screen and black letters, but that's fine with me. (philosbooks.com)
If you use One Handed keyboard mode in landscape mode, the UI of the keyboard will become a mess as the key in keyboard becomes too small and half of the screen will be occupied by the blank grey screen. (windowslatest.com)
Most e-readers have a grey screen with very high contrast black text that makes reading for hours very easy and much akin to reading a real book. (goodereader.com)