TomTom GP 710 - Top!

I recommend the TomTom GP 710 you get speed cameras already on it and free updates and many other extras. Its easy to update and its quite portable with its little case. It also has a 3D image or map choice and you can even download celebrity voices (some voices are fantastic real funny stuff). You also get a handsfree connection to your mobile phone and a microphone. It has a simple touch screen control and easy to use-so and it is also fairly accurate.