Hi
I made a project for PC (windows only xs) that makes it possible to communicate with the Arduino. This might sound ordinairy, but i made it that way so you can draw on a "virtual" screen. With virtual i mean a screen that runs in a program on the PC. This makes it possible to test things out before trying them on real hardware, or you don't have a screen because it's too expensive or any other reason.
I know there's the serial monitor, but with this program you can draw strings, variables, rectangles, filled rectangles, ellipses, filled ellipses and lines on the screen, in color!
So if you're interested, more info can be found on
http://nicksteen.webs.com/projects.
It is not finished yet, there are some things i'm not that happy with. Sometimes the screen flickers for no reason, and sometimes it gives an error xs but i'm working on it