http://www.garmin.com/support/download.jsp

Changes from version 2.07 to 3.00:
--Limited the number of aircraft types that can be saved on the 'Aircraft'
tab page to ten.
--Corrected intermittent aviation database read error.
--Corrected VNAV capture option.
--Improved takeoff detection to correct the landings count in the automatic
flight log.
--Added tide support for European and Australian tides version 5.0.
--Changed vertical speed display for better resolution when using
meters/second.
--Added the ability to display the next turn on the 'Turn Review' page by
using the UP and DOWN cursor keys during autoroute navigation.
--Added duplicate interstate name support for interstate exit searches.
--Added the ability for the user to change the style of a saved track on the
screen. Saved tracks may be displayed in one of 16 different line styles.
--Improved WAAS/EGNOS satellite selection algorithm to select the satellite
with the most beneficial corrections given the unit's current position.
Units will not use a WAAS/EGNOS satellite if the unit's current position is
outside of a given WAAS/EGNOS satellite's service volume.
--Corrected problem that caused large routes to be truncated when loading
from MapSource.
--Corrected problem drawing the next route leg on the map when the route leg
is sequenced.
--Corrected problem that caused excessive delays drawing the map when using
Atlantic BlueChart version 5.