Kobo's Forma is a large-sized premium e-reader that features a 8-inch 1440x1920 (300 PPI) E Ink Carta display, 8 GB of storage and an LED front light. The Forma is waterproof (IPX8).
The Format will launch on October 16 for $280.
E Ink display info:
8" 1440x1920 E Ink Carta