My friend bought this Nextar ngps3 GPS, then gave it to me when he bought a better one.  We have both been extremely disappointed with the Nextar ngps3.  The company has promised since day one to provide updated software 'soon' but in two and one-half years has not issued one update.  Many points of interest that the ngps3 lists are closed, and newer places (two years old) are not listed.  MP3's can be played with the addition of a SD card, but the SD card must be loaded through a SD reader on your computer.  You cannot plug the ngps3 into your computer and load MP3's into it that way.  The...