Some GPS Mini Tracker have a simulator or demonstration mode

When it comes to weighing the pros and cons of PDA navigation systems, you really have to examine your needs and planned use. If you plan on using a Personal GPS Tracker exclusively for road navigation, you should definitely consider a PDA. However if you’re going to be using GPS primarily in an outdoor setting, ...

Personal GPS Tracker Visualizer

Personal GPS Tracker Visualizer is a slick, easy-to-use Web-based mapping program, written by Adam Schneider, that allows you to upload GPS waypoints and track files to a Web site and then overlay them on topographic and other types maps. GPS Visualizer relies on online sources that provide free topographic maps, aerial photos, satellite images, and street ...