http://www.devx.com/TabletPC/Article/21302
Larry addresses the harshest things that come up with Tablet PC App design that, believe me you would NEVER think of, until you have tried to do some of this stuff.
I wrote about a number of these while I was going through my first tablet pc app design process. I had not personal experience as a user to draw on so everything came as a surprise to me. Peter Rysvay actually encapsulated my posts very well in one – so I can point you to that if you are curious.
Sign up for my newsletter so you don't miss my conference & Pluralsight course announcements!