My Garmin GPSmap 276c (using Mapsource) now works intermittently with Parallels Build 1884. Previous versions of Parallels rebooted when transferring any data from the Garmin. It still fails now and again, but I was able to download some info successfuly. A step in the right direction and almost working. It seems best to transfer one group of data ie. Routes, Waypoints or Tracks, one at a time. Anyone else with any some success?