Electronic compass GPS

The Bottom Line: The Geomate.jr sits in a class of its own as a child-friendly and easy-to-use handheld, geocaching device.

Specs: Hiking, 3.2 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: 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: For early adopters, the TomTom GO 910 is the GPS gadget du jour, offering the latest and greatest in portable navigation systems. That said, we wish it had a better mounting system and a more up-to-date POI database.

Specs: Automotive, Navigation instructions, 12 oz

Editors' Take: The next-generation TomTom GO 510 brings Bluetooth integration, as well as an improved screen and design.

Specs: Automotive, Warnings, Navigation instructions, 10.6 oz

The Bottom Line: No bigger than a deck of cards, the Garmin Nüvi 350 is more than just another voice-guided GPS device, packing in travel tools, entertainment features, and good performance; just be prepared to pay a price.

Specs: Automotive, Navigation instructions, 5.1 oz

The Bottom Line: The NavOne 3000 is a respectable performer, but for $1,300, we expect top-of-the-line features such as a remote or a touch-screen menu control.

Specs: 12 channel, Automotive, Navigation instructions, 710 g

The Bottom Line: Whether you're a serious mariner or a weekend warrior, Uniden's Mystic VHF/GPS radio provides the power, reliability, and features you'd want in a marine handheld unit.

Specs: 12 channel, Marine, 8 lbs

The Bottom Line: The Cobra GPS 100's attractive price tag doesn't make up for its lackluster performance.

Specs: 18 channel, Hiking, 5.3 oz

The Bottom Line: While not as expensive as similar handheld units, the Cobra GPS 500 suffers from a weak receiver and a few design flaws.

Specs: 18 channel, Hiking