Garmin issued software upgrades for several of their GPSr models today, along with a beta release of Version 4.10 of their MapSource software. New versions are also available for:
 
eTrex Legend          V. 2.43 beta
eTrex Summit         V. 2.30
eTrex Vista             V. 2.42 beta
RINO 110                V. 2.10
RINO 120                V. 2.10
 
These can all be downloaded at http://www.garmin.com/support/download.html.

Steve
Team Tierra Buena
Making Geocaching harder than it ought to be...