I think you could drag even more attention when you add videos of your videos to your first post (for non kindle-owners, etc).
maybe engadget will notice you
Also: Awesome work!
I am actually quite surprising considering that the Reference Manual for the chipset used in the K4 says you need to wait 300msec between updates in DU (pure black and white) mode
Most of the time they have reasons to write that in the manual.