I just took several pictures of different angles, and along with an MX450 and an MX780 to compare.
Side
Side with MX780
Side with MX450
Face Down
Face Down (780 on bottom, 890 in middle, 450 on top)
Face Down (780 on bottom, 890 in middle, 450 on top)
Screens (450 on left, 890 in middle, 780 on right)
Sorry for crappy pics. I didn't really have great light. I just noticed in the pictures that my hands must be a little greasy from helping with some of the holiday cooking.