Barnes & Noble knows where it stands in the tablet race. Sure, the company has been plugging away at the space since the day the Nook Color made its transformation into a full-fledged tablet, but the Nook, it seems, is rarely mentioned in the same breath as the Kindle Fire or Nexus 7, when discussing low-cost tablets. As such, the company seems to rarely mention its devices without discussing the competition -- Amazon in particular. In fact, at the launch event for the