If you're in the market for a new Marine GPS, then you must try the Lowrance Product Emulators. You can try almost any of their GPS devices on your PC without going to a retail store. You can also use the GPS emulator to teach your self how to use the device before heading out on your next adventure.
After finding the GPS the best suits your needs, visit GPS City to get all the accessories and the device.
"Lowrance Product Emulators are downloadable PC-based software
applications that simulate, on your computer, the operation of an
actual unit. These virtual sonar/GPS units perform just like the real
While the emulators don't actually navigate or show "live" sonar
returns (no transducer or antenna connection) all other features are
fully functional. Emulators for recording/sonar/GPS units play back
recorded sonar logs and display MapCreate™ custom maps.
The GPS Simulator command operates normally in the emulator but, to
get the full effect, mapping data is necessary. We have created several
MapCreate™ 6 sample maps
that you can download to use with mapping capable emulators. Sample
Navionics® maps (showing marine chart data) are included in the
emulators of products that have memory card reading capability." Source Lowrance Website