All Specialized electronics

The Bottom Line: The new Navigon 2100 Max features some nice additions, including a larger screen and advanced lane guidance, but the portable navigation device is still tripped up by sluggish performance.

Specs: Automotive, 5.6 oz

The Bottom Line: The Garmin Nuvi 500 is a satisfactory multimode GPS, but serious boaters and outdoor enthusiasts should consider dedicated devices.

Specs: Automotive, Navigation instructions, 7.6 oz

The Bottom Line: The Nokia 500 Auto Navigation improves over its predecessor and offers a decent set of features and performance, but the GPS needs some work in terms of ease of use and interface.

Specs: Automotive, Navigation instructions

The Bottom Line: While the Tenori-On's breathtaking design and ease-of-use is hard to resist, only performing electronic musicians will be able to justify its high price and tap into the device's more advanced applications.

The Bottom Line: As we've come to expect from the Nuvi line, the Garmin Nuvi 880 offers an impressive feature list and solid performance, but it's the accurate speech recognition that really pushes the Nuvi 880 over the edge and makes it one of the best GPS we've tested to date.

Specs: Automotive, Navigation instructions, Street name announcement, 6.2 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: If you're looking for a high-end in-car GPS with the latest features, the TomTom GO 930 delivers with accurate directions and new navigation tools like advanced lane guidance and voice address entry.

Specs: Automotive, Navigation instructions, Voice command recognition, 7.8 oz

The Bottom Line: The TomTom One 130S is a reasonably priced entry-level GPS with a solid set of features and ease of use. Unfortunately, the system's barely audible voice directions ruin the experience.

Specs: Automotive, Navigation instructions, 6.1 oz

The Bottom Line: The Beltronics Pro RX65 works well for novice to advanced users, giving long distance warning about radar monitoring. Although we had some interface issues, the device works very well overall.

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