MacGPS Pro 4.0 is the latest version of the program for communicating with a Garmin GPS receiver. It allows users to import background maps from a wide variety of sources, and shows the user’s current location and velocity, GPS Waypoints, Track logs, and Routes. The update adds Mac OS X compatibility, and features high-speed zooming and panning of large Digital Raster Graphics maps. MacGPS Pro sells for US$39.99.