The GzOne (available on Japan's KDDI network only) is a waterproof and shock resistant clamshell phone - ideal for sports. It has a small external E Ink display to show a clock, message notifications, etc.
W62CA GzOne
Clamshell phone from KDDI au range (Japan), made by Hitachi.The external E Ink can display one of 95 preset graphics.
KDDI au W61H
The Motorola Motofone is a dual-band GSM (850/1900) budget candybar shaped mobile phone. The display is simple - 2 lines, each with 6 characters. It is the world's first e ink phone.
Motorola Motofone The Motofone is thin (0.35" = 9mm). It is available through Amazon.com (starting from 20$).