Just some notes:<p>- The Pro version excites me much more than Pencil by Fiftythree, discussed here: <a href="https://news.ycombinator.com/item?id=6761297" rel="nofollow">https://news.ycombinator.com/item?id=6761297</a>, because it provides pressure sensitivity and a fine tip, both of which Pencil lacks;<p>- It's touted to contain over 4000 levels of pressure recognition, while the most advanced version of Wacom tablets only has 2048 levels (<a href="http://www.wacom.com/en/us/creative/cintiq-22-hd-touch);" rel="nofollow">http://www.wacom.com/en/us/creative/cintiq-22-hd-touch);</a><p>- It's also got tilt recognition, which I believe is also a first among iPad styli.