Love this idea. One less thing for me to have to carry in my bag.
I'm often on the go, and don't do enough Photoshop work to justify lugging around a dedicated wacom. And even if I did it wouldn't have screen, let alone a gorgeous one like on the iPad!
Astropad is working great for me so far. Now time to invest in a pressure sensitive pen.
We've been working on this for 1.5 years and we had to write completely custom tech to make it happen.
We're happy to answer any questions about our tech
How do you keep arbitrary Mac apps in sync with the iPad display?