Built-in microphone Car GPS (Navigation)

The Bottom Line: The Garmin Nuvi 760 delivers beautifully on almost every front, but the portable navigation system hits a speed bump with its sluggish performance.

Specs: Automotive, Navigation instructions, Street name announcement, 6.7 oz

The Bottom Line: The TomTom GO 740 Live puts a tremendous amount of information at your fingertips and makes it easy to access and process it all from the driver's seat.

Specs: Automotive, Navigation instructions, Street name announcement, Voice command recognition, 7.9 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: 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: For the company's first stab at the GPS market, the Asus R700t is an impressive debut, offering some great navigation features. However, we'd like to see the addition of text-to-speech functionality and smoother performance before completely committing to it.

Specs: Automotive, Navigation instructions, 7.1 oz

The Bottom Line: The Sony NV-U83T is a seemingly attractive in-car GPS with a large display and useful navigation features, but it shows its ugly side with poor directions and subpar performance.

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

The Bottom Line: The Garmin Nuvi 750 delivers beautifully on almost every front, but the portable navigation system hits a speed bump with its sluggish performance.

Specs: Automotive, Navigation instructions, Street name announcement, 6.7 oz

The Bottom Line: Though the Navigon 7100 offers some handy navigation tools and integrated Bluetooth, the confusing interface and sluggish performance prevents us from giving it higher marks.

Specs: 20 channel, Automotive, Navigation instructions, Voice command recognition, 6.9 oz

The Bottom Line: The TomTom GO 720 delivers with sleek looks, good performance, and a full set of features that includes a map-sharing function for the most up-to-date maps and a helpful safety tool.

Specs: Automotive, Navigation instructions, 7.8 oz

The Bottom Line: Though the Delphi NAV300 GPS navigator may look appealing with its affordable price tag and integrated Bluetooth and text-to-speech functionality, real-world tests show some pretty ugly results.

Specs: Automotive, Navigation instructions, Street name announcement, Voice command recognition, 7.6 oz