Kickstarter has a new ePaper screen project going on, this time for Raspberry Pi. PaPiRus is an affordable ePaper screen "hat" for the Raspberry Pi.
The ePaper screen has super low battery usage and clear monochrome screen, even in daylight. It connects via GPIO and has example code bundled with it.
The project has three different screen sizes, ranging from 1.44" to 2.7" and the prices range from 25 to 35 pounds (around 38 to 54 US dollars).
At the time of this writing, the project is completely funded and will get manufactured after June 2015.