i assume you are talking about the on land chip, i have the meridian gold and bought the mapsend topo map for it. has a cd i loaded onto my puter, and can transfer data back and forth between the unit.
i have the mapsend topo set up, which i find useful all the time. can look up addresses and directions on the computer, and use my gps for running through the woods during hunting season.
probally have over 100hrs of running around in the woods spotlighting, and another 50+hrs running around on my quad with it, and have not been unable to find my way back yet.
have to say 99% of the roads are on my system. to include 4x4 trails.
weather or not these conditions would apply to you, i have no idea, but if any of them do, then its worth it in my opinion.
i have the mapsend topo set up, which i find useful all the time. can look up addresses and directions on the computer, and use my gps for running through the woods during hunting season.
probally have over 100hrs of running around in the woods spotlighting, and another 50+hrs running around on my quad with it, and have not been unable to find my way back yet.
have to say 99% of the roads are on my system. to include 4x4 trails.
weather or not these conditions would apply to you, i have no idea, but if any of them do, then its worth it in my opinion.