Piccolo Robot
Piccolo is a small CNC machine created by Tiago Rorke, Greg Saul, Cheng Xu, Huaishu Peng . Hopefully it will be available as a kit soon for under $70. I really like the idea here of using the Z axis to apply pressure to the brush or pen when drawing.
Head over to their website piccolo.cc to be sign up for email notification.

