Adafruit sells small eInk screens (1.3"-2.7")[1] that you can attach to microprocessors for $30-$40. They also have Arduino libraries and tutorials. [1] http:

Adafruit sells small eInk screens (1.3"-2.7")[1] that you can attach to microprocessors for $30-$40. They also have Arduino libraries and tutorials. [1] http://www.adafruit.com/category/150 http://www.adafruit.com/category/150