The PocketBook 301 supports PDF and ePub books (and many more formats), and can also playback MP3 files. It includes a dictionary, note taking options, calendar, clock and several games. It runs Linux (on a 400Mhz Samsung processor) and weights just 174 grams.

Dulin PocketBook 301Dulin PocketBook 301

The PocketBook 301 is available now for 275$.

E Ink display info: 
6" E Ink, 600x800, 16 grayscale