While it doesn't necessarily beat the Kindle Paperwhite, the $119 Nook GlowLight is an excellent e-reader that's strongly worth considering if you don't want to buy into the Amazon ecosystem.
While it doesn't offer much to distinguish itself from other Android tablets, the Galaxy Tab 4 Nook is a decent 7-inch tablet at an affordable price.
The Nook HD+ is a low-price, quality entry point into the world of tablets, especially now that it has full Google Play support.
The Barnes & Noble Nook HD's sharp screen and comfortable body make it an ideal tablet choice, especially for reading books, magazines and watching movies. Google Play now only adds to the allure.
The $199 Nook Tablet (8GB) matches up well to the Kindle Fire in specs and price--and has the added advantage of offering an expansion slot for additional memory.
With more storage and a growing app store, the Nook Tablet is a worthy--albeit slightly more expensive--competitor to the Kindle Fire.
Barnes & Noble's Nook Color is a capable color touch-screen e-book reader that offers much of the functionality of an Android tablet for half the price of an iPad.
The Nook Simple Touch with GlowLight sets the standard for e-ink e-readers going forward and is well worth the extra money if you do a lot of nighttime reading.
The new touch-screen Nook is a major advancement over its predecessor and offers some real advantages over the 2010 Kindle.
The Nook Wi-Fi doesn't quite measure up to the Kindle in terms of design and overall performance, but it's a worthy alternative if you're looking for a more open e-reader that supports the EPUB format.