The Zaurus with the camera is an MI series Zaurus, which was sold in Japan only, before the SL series came out. The MI series used a completely different CPU and a propriertary OS.
It is misleading, the seller only really has a SL-5500, but Sharp aren\'t much better. Look here:
http://www.sharpusa.com/zaurus/ . Those images have been on the front of the DevNet site from the start.