Maps: USA/Canada or region by region?

[bedbug]

Hi all,

Please forgive the daft question, but I need fully detailed mapping for Nav 6 for a trip to Western Canada and the North West of the USA.

Is there any reason why I wouldn't want to buy the combined USA/Canada map (I'm happy to have the benefit of full US coverage)? Would buying territory by territory be a better option?

I'm trying to avoid buying a less detailed map than I would prefer.

Cheers
_________________
iPhone 4/4S (iOS 5.1.1); TomTom Western Europe (1.10)/USA & Canada (1.10); CoPilot for iPhone (8), UK mapping, Mac OS 10.8/XP Pro/Win7; Tongue firmly in cheek!

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