Definitely the best looking.
Lexmark may have something Big on their hands. This monolithic printer/copier/fax/scammer has a unique (deskspace saving) look and an Innovation's Award under its belt. Instead of flipping the top up and setting your paper-to-be-scanned flat, you open the front and stick it in there. And that scanner is a 10 MP camera that can do the job in just ten seconds.
The X815's best feature (in this reporter's opinion) is the ability to preview papers and photos you are scanning in. Once you close the door it shows you exactly what your scan will look like. Which gives you the ability to fix things before starting the scan.
But my favorite thing about the latest Genesis printer is its design. This thing looks like it was pulled from the control console of an Imperial Star Destroyer. It is tall, black and as shiny as an army of beetles in a wax factory.