Compare Prices : Navman iCN 550

Review summary: Get from A to B without getting stuck in traffic, but it'll cost you.

Pros: Optional traffic alerts; Simple to use

Cons: High price; Too many wires

Verdict: A decent device with the option of live traffic updates, but just too damn pricey

Pros: GPS signal strength, 4GB hard drive, Display, User interface, Next Turn map option, Included remote control

Cons: Volume, Build could be more rugged.

Verdict: A solid easy to use GPS unit. The iCN 550 has an easy to use interface and comes pre-loaded with Australia, Europe and North America maps.

Review summary: The Navman iCN 550 GPS navigation device is bulky and could do with fewer wires. Still, it works well and the add-on Traffic Module is superb value for money.

Pros: Excellent user interface, maps of a large number of European countries pre-installed, lifetime traffic information for UK, Germany and France for a one-off fee at purchase

Cons: Four-digit postcode navigation only, traffic incidents not shown in 3G navigation view, more cables than we would like, device is a bit bulky

Verdict: The Navman iCN 550 GPS navigation device is bulky and could do with fewer wires. Still, it works well and the add-on Traffic Module is superb value for money

Review summary: Stand-alone GPS sat nav technology that could put an end to queueing in traffic.

Pros: Unlike rival systems which require a Bluetooth connection via a GPRS-enabled mobile phone to receive traffic data, the great thing about the Navman iCN550 is that you don't require any additional hardware.

Cons: On a four and a half mile journey from Islington to East Finchley on a busy weekday afternoon the Navman unit achieved mixed results.