All GPS

The Bottom Line: While there is much to like about the Motorola Motonav TN30, buggy software limits its usability.

Specs: Automotive, Audible signal(s), 6 oz

The Bottom Line: The Navigon 8100T offers an impressive feature list, including panoramic 3D map views, but the GPS doesn't deliver where it counts most: performance.

Specs: Automotive, Navigation instructions, Street name announcement, Voice command recognition, 9.4 oz

The Bottom Line: Despite a couple of minor performance issues, the Magellan Maestro 4370 offers convenience through its new OneTouch interface and also delivers with features and accurate directions.

Specs: Automotive, Audible signal(s), 0.5 lbs

The Bottom Line: Though the Navigon 7200T doesn't have cleanest user interface, the portable GPS offers plenty of advanced navigation features and accurate directions.

Specs: Automotive, Navigation instructions, Street name announcement, Voice command recognition, 6.5 oz

The Bottom Line: The TeleNav Shotgun's Internet connectivity brings dynamic content to the driver, but the functionality is a bit limited at this time, and the GPS needs to work out some performance issues before we give it co-pilot duties.

Specs: Automotive, Navigation instructions, Street name announcement, 4.4 oz

The Bottom Line: Sony has positioned the otherwise good NV-U84 GPS device in an odd spot, where it's not as good a value as the models immediately above and below it in the NAV-U lineup.

Specs: Automotive, Navigation instructions, Street name announcement, 8.8 oz

The Bottom Line: The Sony NV-U44 offers a few useful features that competing manufacturers have not yet implemented on their entry-level models.

Specs: Automotive, Navigation instructions, 5.5 oz

The Bottom Line: The Sony NV-U44 offers a few useful features that competing manufacturers have not yet implemented on their entry-level models.

Specs: Automotive, Navigation instructions, 5.5 oz

The Bottom Line: The Sony NV-U44 offers a few useful features that competing manufacturers have not yet implemented on their entry-level models.

Specs: Automotive, Navigation instructions, 5.5 oz

The Bottom Line: With the new interface and additional navigation features, the Alpine PND-K3 is an improvement over the company's previous in-car GPS, but the expensive price tag is a turn-off, especially when you can get more for less.

Specs: 20 channel, Automotive, Navigation instructions, Street name announcement, 6.3 oz