THXs for your input ujang_je am still not familiar with all these models, but one day I will upgrade and will come back to these posts and check out my options "it's more of a fun thing to have gadgets while you travel I go out in the Great OZie bush and do a bit of prospecting and collecting of Rocks and Minerals all as a Hobby so having a Gadget to make sure you get back safe is a bonus. So long as you have a better idea where you are and don't rely on that gadget when it fails/battery fails or what ever you can get back safe. Australia covers 7 692 024 sq km. This equates to about 2 969 907 sq miles. And I only travel about a Third of that in the Western part and to travel a 1000KM a day is nothing and be so isolated in that time "oh the joy of Silence"