The stylus seems to have been built with designers in mind, making it ideal for creating illustrations. Using the free apps “Fresh Paint” or “SketchBook Express,” which are found in the Microsoft Store, users can quickly get to drawing using the stylus.

via Review: Microsoft Surface Pro packs punch, steep price [Video] – latimes.com.

Interesting.  I remember the stylus on those Palm Pilots used to work well for what they did.  Maybe Microsoft was on to something bringing the stylus back.  I suppose you could develop an app on a non-stylus tablet that still accepts the precise touch of a stylus and do things.