DualScreen 2-VU

A dual-screen portable PC that supports the two-page layout of a conventional book.
http://dualscreen.com/

Franklin eBookMan

A portable reading device and multimedia content player. Supports multiple file formats and includes many additional features.
http://www.franklin.com/ebookman/

Hiebook Reader

A dedicated display device that supports the proprietary Hiebook format, as well as .html, .txt and .doc formats. Includes a built in MP3 player.
http://www.hiebook.com/

RCA eBook

A dedicated, internet connectable device that displays the proprietary Gemstar e-book format.
http://www.rca.com/product/viewdetail/0,2588,PI45798-CI700093,00.html

Ebooks Toolbox

Tools and tips to make better use of your ebook device or TabletPC computer.
http://www.ebookstoolbox.com/