So far I don't think you can upload the maps, which is what I was originally after, but you can load the waypoints you develop in the program onto your GPS, and that's half the battle right there. Combine the way points with a laptop and your GPS and this is crazy cool but then I'm a GPS neophyte so what do I know :p

I'd really like to have a full topo of the state in the GPS including elevations so I'll keep looking too.
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Mark Strand
aka - TC