The Nuvi vehicle downloads are free from a non-Garmin-affiliated third party, while most of the TomTom voices cost extra. Will this sort of thing have us trading in our Droid? Not a chance.

Market leaders TomTom and Garmin are still very much in business, each offering a range of navigation units across a broad range of prices. Both companies make the best sat nav systems out there ...

But, if it's pure navigation without the frills you're after, you can't go wrong with this TomTom. Garmin has thrown the kitchen sink at this device, with pretty much every connected feature going ...