First of all it would be awesome if we found out it was possible to put a GPS chip/sensor internally and activate it but I won't hold my breath. However.... I've seen USB GPS antennas' so I'm wondering if its feasible to find a USB adapter so that a standard USB port could connect to the Nook. (Maybe even a split one so you don't lose the standard port.) Then of course just the proper software program to install on the Nook. Any ideas?