TomTom Go 740 Live in GPS / Satnav

And its sat-nav capabilities are just as good as the previous range. It didn't set a foot wrong on our test routes, and though we wish it would update the rather old-fashioned non-anti-aliased graphics, it's very easy to use and follow.

Voice instructions are loud, the maps are clear, and it's absolutely stuffed with features, from the handy Help me! menu which lists nearby pharmacies, hospitals and so on, to the map correction tools, which allow you to mark map errors and upload them to TomTom's servers via TomTom Home and download others' corrections for free.

Just as its predecessors were, the TomTom Go 740 is undoubtedly the best third-party sat-nav you can buy, but before you slap your 720 or 730 on eBay you might want to take note of the price.

Not only is the Go 740 expensive - it's £260 at the time of writing, £50 more than the Go 730 - but it will also cost you more if you want to keep the connected services going. The first three months are free, but it's £7.99 per month thereafter. This cost means it's only really a practical proposition for high mileage drivers who commute regularly or who drive for a living. For everyone else, the Go x30 range remains the better value bet.

Author: Jonathan Bray