TomTom's Can-Do 910

The Dutch outfit's top-tier GPS navigation system can play music, transmit mobile calls, and more. But is it superior to carmakers' options?

Editor's Rating:

The Good: Adept at navigation and much more, including music and hands-free calls

The Bad: Pricey; speaker not as good as built-in stereos; unsightly dangling wires

The Bottom Line: The 910 may just do enough to justify its $799 price tag

There's a booming market for auto add-ons—from oversize flame decals to 24-in. chrome rims. Thankfully, some are even quite useful.

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