I'm sure you know that the new iPad has a new and higher res screen, but did you ever wonder what that meant on a microscopic level? One UI did, and he's posted a bunch of photos taken with his microscope.
I know I've said that I'm not interested in getting one, but the technical details are fascinating stuff. I had always assumed that pixels are square, but clearly that's not the case.
The following gallery includes both iPad screens, the Kindle Fire, HP Touchpad, and the BB Playbook. There's no shot of the Nook Color or Nook Tablet, unfortunately.