It was roughly this time last year that Amazon's Kindle Fire showed us just how successful an aggressively priced 7-inch tablet could be, becoming, arguably the go-to gift of the last holiday season. This summer, Google upped the ante, showing the world that a $200 tablet could be more than just an OEM-ed content delivery device, enlisting ASUS to design a really solid piece of hardware at a seemingly impossible price. Barnes & Noble's journey in the space, meanwhile, has been decidedly more convoluted. In mid-Octob
