Amazon should be credited with starting the interest in e-books with its Kindle series e-readers – now numbering three. The newest Kindle has a 6-inch screen and offers 3G wireless in both the U.S. and Europe. It’s new price is $279.

Here the large-sized Kindle DX. It has a 9.7 diagonal screen and can hold 3,500 books. It retails for $489.

Sony promises to be a major e-book player by recently adding two new e-readers to its library – a pocket version and one that features a touch screen. Sony also offers access to Google’s public domain library. This means that Sony e-readers will have access to over a million books.

The The Reader Pocket Edition will sell for $199 and the Reader Touch Edition will sell for $299, and the 7-inch model has a price tag of for $399.

Sony Reader Touch edition will cost $299.

Sony Reader in pink.

Alex pops up from Spring Design. Its Android-based, dual-screen ebook e-reader comes with a 6-inch display. It’s promised to hit the market by the end of 2009 although no price has been set.

Plastic Logic is slowly releasing details of its Que e-reader which is supposed to make its official debut at CES on January 7, 2010.

The device will have a letter-sized (8.5u2033 x 11u2033), u201cshatterproofu201d capacitive touchscreen and will support PDF, Word, PowerPoint, and Excel documents.

Plastic Logic’s e-reader will feature a plastic screen that is expected to handle bumps and scratches.

Cool-er has an e-reader that it hopes to sell by making itself more affordable than the competition. Although, its current $249 price could be due for a price drop to meet Kindle’s recent cuts.

Bookeen’s latest model is the Cybook Opus which weighs just 5.3 ounces and is 6-inches high with a 5-inch screen. The screen position can switch from portrait to landscape mode automatically. It costs $250.

Elonex UK makes a 6-inch Ebook Reader that benefits from the availability of 45,000 titles via a partnership with Borders UK. The Elonex eBook can hold up to 8,000 e-books and allows you to change the font size.

The Elonex eBook is priced at u00a3189 and includes 100 free eBooks.

The Fujitsu Flepia is touted as the first color e-book reader – but it’s only available in Japan and costs about $1,100.

IREX managed to strike deals with Best Buy to sell the hardware, Barnes & Noble to offer content and Verizon Wireless to transmit it worldwide for its new DR800SG e-book reader. The IREX e-reader will cost $399.

The Readius Pocket Ereader features a 5-inch display screen that folds up and fits into your pocket.

Samsung has the Papyrus which launched in Korea and will eventually land in the U.S. It’s rumored price will be $299.