The JukeStyle is a delightful 2-in-1 stylus for iOS device that gives you a pen/stylus combo for just US$10. Its precise, capacitive tip is great for doodling in DrawCast or Draw Something, though it still requires a little zooming in for more detailed illustrations. My Angry Birds scores have improved greatly now that my massive hands don't obscure the screen while I'm aiming.
Typing on the onscreen keyboard with a stylus still feels unintuitive when you're working with an iPhone, but I've found editing documents and using the stylus to identify and select areas of text is a joy. The iPhone isn't big enough to ne