All GPS

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 two-way connectivity of the Dash Express portable navigation system offers powerful search and traffic capabilities to drivers and increases the value of GPS to the next level, but the system needs some refinements before we're willing to invest in it.

Specs: Automotive, Audible signal(s), 13.3 oz

The Bottom Line: The Mio Moov 310 in-car GPS doesn't move very fast with all its performance issues, which is a shame since it otherwise offers a nice set of navigation features for a wallet-friendly price.

Specs: 20 channel, Automotive, Navigation instructions, Street name announcement, 6.4 oz

The Bottom Line: Despite ease of use and an affordable price tag, the entry-level Magellan RoadMate 1200 portable navigation system suffers from various performance issues.

Specs: Automotive, Navigation instructions, Warnings, 4.94 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: The Nextar Snap3 may look good on paper with an admirable feature set and affordable price tag, but road tests prove this GPS device to be a dud.

Specs: Automotive, Navigation instructions, Street name announcement

The Bottom Line: Despite ease of use and text-to-speech functionality, the Pharos Drive GPS 250 falters somewhat in the performance department.

Specs: 20 channel, Automotive, Audible signal(s), 7.2 oz

The Bottom Line: Despite some minor shortcomings, the Magellan Maestro 4250 is a solid and accurate mid-level portable navigation system with a helpful voice-command feature.

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

The Bottom Line: The sleek Mio DigiWalker C320 offers the navigation basics and solid performance at a wallet-friendly price, but you can get more bang for your buck with other systems.

Specs: Automotive

The Bottom Line: Despite a sleek design and an attractive feature set, the HP iPaq 310 Travel Companion shows an ugly side with inaccurate route recalculations and poor voice directions that makes us say pass for now.

Specs: Automotive, Navigation instructions, 6.6 oz