Navman's main menu is uncluttered, but thin on features

Navmans Glide Touch UI means you have to scroll through many settings to find the one you want

The Navman navigation menu hides itself at either side of the screen when not in use

TomTom’s petrol pricing is a nice idea, but it rarely got prices spot-on

With built-in GPRS, traffic updates are hassle-free on the TomTom, but cost £8 a month