Nook Color gets Froyo update and app store | E-Readers | Playlist | Macworld: With these enhancements, the 7-inch, Wi-Fi-ready Nook Color tablet, with a price tag of $249, “presents the best value of any tablet on the market,” at about half the cost of other popular tablets, Barnes and Noble CEO William Lynch said in making the announcement. The Nook Color first went on sale Nov. 19.