The inkBOOK Obsidian is a 6" E Ink Carta e-reader that is based on Android - which means you can install any application you want. The Obsidian includes 8GB of internal memory, an SD card slot and Wi-Fi.

inkBOOK Obsidian photo

The inkBOOK Obsidian is now shipping for $99.

E Ink display info: 
6" E Ink Carta