All Car electronics

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: The DEH-P6000UB is a good-looking, good-sounding car stereo with great iPod support and some decent audio-tweaking options.

Specs: Radio / CD / MP3 player / USB flash player, Radio tuner, CD / MP3 player, Audio line-out, Audio line-in, IP-Bus, Remote control, USB

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 Parrot 3200 LS Color combines everything we like about previous Parrot devices--including a simple control interface and a great voice recognition system--with a striking color display. The result is an attractive, easy to use aftermarket hands-free calling device.

The Bottom Line: With its sophisticated digital processor and car-specific acoustic output, the JVC KD-S100 is an innovative addition to the aftermarket audio world. Its limited availability and vague pricing restrict its appeal, but new car owners may well see it as a worthwhile means of significantly improving their in-car audio.

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