Nook HD on sale for $149 until May 12

Now that Barnes & Noble has added Google Play access to the Nook HD and Nook HD+, the two Android devices are more appealing than ever. A temporary price drop just plain sweetens the deal.In celebration of Mother's Day, Barnes & Noble is offering the 7-inch Nook HD for as low as $149 and the 9-inch Nook HD+ for as low as $179 until May 12. Considering that these devices are normally starti..