Want to learn how to load your own maps into a Garmin? Or read an
article about using GPSr's in Search and Rescue operations? Sign up for
a free subscription to this e-zine: http://www.gpsuser.com/index.html.
They've published two issues so far and both are available online with
links to print individual articles. Looks legit and spam-resistant. 
Steve
Team Tierra Buena