11 million points of interest, Subscription provides traffic data, network searches, and gas prices, Smooth rerouting around traffic incidents, Can send addresses to device via Web

Poor-quality subscription traffic data, Difficult to view area traffic conditions, Constantly blinking blue connection indicator light

TeleNav has promised more connected services in the future, including restaurant reviews, address sharing, local weather, and e-mail traffic alerts for your commute, but hasn't given a time for their release

It's more expensive and has fewer features than other GPS devices-but it features the voice of K.I.T.T.

Get directions form the actual voice of K.I.T.T., 4.3-inch screen, Blinking red lights add to the coolness factor, Did we mention the voice of K.I.T.T.?

A bit overpriced, Small POI database, Sluggish menus, K.I.T.T.'s voice doesn't pronounce street names

We were surprised to learn the Knight Rider has a 400-MHz processor, since it felt slower; the menu was sluggish at times. Re-routing times were good, however, at about 4 seconds

A stylish GPS navigator with some useful hands-free features.

Street pronunciation, Well-designed map interface, Bluetooth for hands-free calling, Voice commands

Small POI database with poor interface, Slow route calculation, Photos require a separate SD Card

You can talk while you drive with the included Bluetooth service, which not only connects to a Bluetooth phone but also loads address book data. It worked perfectly in our testing. The photo viewer, however, requires photos to be loaded on a separate ...

A cell phone maker tries its hand at GPS and delivers a dud.

Bluetooth for hands-free calling, Fast rerouting, Music, photo, and video features, Pronounces street names

Large size, Blandly colored maps, Weak FM transmitter, Outdated POI list

The FM transmitter was a big problem. It's weak and could play music over our car stereo only when the Nokia 500 was held directly against the radio. Even then, it was staticky. When the device was mounted to the windshield, we got no signal at all. ...

The best notebook-based GPS system yet.

Simple interface and colorful maps, Fast searching and rerouting, Street name pronunciation, Local weather and gas prices available when connected

USB cord too short, Suction cups don't adhere to a dashboard, No live traffic option

If you prefer having GPS navigation on your laptop, there's only one choice, as far as we can see. For $99.99 ($59.99 if your notebook has built-in GPS and you need only Garmin's software), Garmin Mobile PC provides a solution as easy to use as ...

A big-screen GPS unit without the sky-high price.

5-inch screen, AAA TourBook information, Includes traffic antenna and three-month subscription, Internal battery

Split-screen views not always helpful, No multimedia features, No Bluetooth

The Maestro 5310 also comes with three months of free TMC traffic (the package includes a wire antenna), SmartDetour, which routes users around sudden traffic jams, and an internal battery-something the Garmin nüvi 5000 lacks

ASUS' latest navigator is chock-full of features, but tries your patience.

Impressive 3D building views, Free lifetime traffic, Two preview modes for planning routes, Includes Bluetooth

Entering navigation mode takes too long, Traffic software often got stuck, Unit sometimes didn't shut down properly, Finding POI is a hassle

The R700t has some excellent features and a decent price, but it has a ways to go before it's the ideal driving companion. For $399 we expect spoken street names and more up-to-date and comprehensive POI.

A strong GPS device with all the bells and whistles, including voice commands and advanced lane guidance.

Strong voice command system, Lane Guidance system helps drivers find the correct lane, IQ Routes system to avoid high-traffic areas, Bluetooth

FM transmitter produced static, Remote control doesn't attach to steering wheel

Connecting the Go 930 to a Bluetooth phone is simple, and doing so lets you answer calls hands-free, place calls with just a tap, and quickly contact emergency services, if needed. The Go 930 also includes an FM transmitter (although a static-filled ...

The affordable TomTom One 130S offers a new mounting solution, TomTom's Map Share service, and all the navigation basics.

Improved windshield mount, Pronounces street names, Lets you avoid specific areas

Maps are pixelated and difficult to read, No Bluetooth or media playback

TomTom won't disclose the size of the POI database, but other sources have reported that it's 5 million. The One 130S can access TMC traffic data with the addition of a $129 traffic receiver.

This navigator offers a large screen, reliable directions, and some compelling options.

Easy to use, Good-looking maps, Quick rerouting, Uesful add-ons

Small POI database, Lackluster menus, Bulky design

Tap anywhere on a map to bring up the DirectHelp feature, which gives your current position as well as the nearest towing facility, police station, hospital, and pharmacy. Note to GPS makers: include the nearest 24-hour veterinary center, as well.