Unlike Amazon Kindle, Barnes & Noble released their Nook Reader to third party seller so they can get more exposures and sales on their Nook ebook reader.
Best Buy has started selling their ebook reader few days ago and it has carrying the exact same pricing as it being sold on Barnes & Noble site. As you may have known, Nook ebook reader is packed with Android based OS, has 6-inch e-ink Vizplex display and a small 3.5-inch wide color touchscreen for choose the book collection right from its library.
Nook has support 3G, and WiFi access, the most excellent feature it has is the battery life that could run for 10 days continuously.
If you are interested, you can find more information at Best Buy.