Gaz,
If you are planning on a RTW - you are not going to be able to download maps for the whole route, and you should have paper maps as a bac up too....
So I would buy a cheaper GPS with no mapping and buy/sell/swop paper maps on route or from other overlanders - save your money for other things, like or a good compass.
Also if it packs up you will have an idea where you are and dare I say it -actually learn the practical skill of navigation -instead of letting a piece of electronic equipment which could fail (mine did)- take you there.
Cheers
Grif
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Ex RAF Regt, Ex Dragoman, LRE Instructor,
LR 90 300 Tdi Overlander
Suzuki DR650 Overlander
..and Bloody Nice Bloke!
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