I searched but didn't find anything on this but there is a new Beta for Mac 3.0.0.4 on Garmin's site.
http://www8.garmin.com/..._details.jsp?id=3339
Change History Changes made from version 2.1.8 to 3.0.0.4:
http://www8.garmin.com/..._details.jsp?id=3339
Change History Changes made from version 2.1.8 to 3.0.0.4:
- Added all-new multiple graph display
- Added power and grade graphs
- Added zone information to graphs
- Added graph data smoothing
- Added all-new map display
- Added ability to compare any two: activities, laps, or courses
- Added ability to view user data in Google Earth
- Added ability to export selected item
- Added ability to import multiple files at once
- Added ability to choose which workouts or courses to transfer when the device limits are exceeded
- Improved application responsiveness and progress feedback