Today, Barnes and Noble is expected to unveil its own electronic reader. The e-reader, called the Nook, will cost $259, the same price as Amazon's Kindle, according to a report in the New York Times. Barnes and Noble isn't commenting so far, but the Times got its information from a Nook ad sent to the publisher for placement in this Sunday's Book Review section.

Meanwhile, in a press release issued yesterday, Plastic Logic announced plans to introduce its e-reader, the Que, at the Consumer Electronics Show in Las Vegas this January. Plastic Logic is positioning the reader as a business tool, since it allows users to not only read books and newspapers, but also view PDFs and Word, PowerPoint, and Excel documents. The reader also will feature a shatterproof display. The company isn't saying how much it will cost.

Spring Design hopped on the bandwagon as well yesterday when it announced that its own souped-up e-reader is slated to hit the market by the end of the year. The so-called Alex reader will be based on the Google Android platform and feature a traditional 6-inch black and white e-reader display as well as a 3.5-inch color LCD touchscreen for viewing photos and video. Spring Design hasn't said how much the Alex will cost, but one would imagine it will be pricier than the one-screen black and white e-readers currently on the market.