Time and date GPS

The Bottom Line: Despite some very slight performance glitches, the Garmin Zumo 550 is a fantastic navigation system for motorcyclists (and cars), with good Bluetooth integration.

Specs: Motorcycle, Warnings, Navigation instructions, Street name announcement, 10.6 oz

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

The Bottom Line: Magellan's Meridian Platinum is a great choice if you're looking for a standalone GPS device that doesn't skimp on features.

Specs: 12 channel, Hiking, 8 oz

The Bottom Line: The GPS V's turn-by-turn driving directions and ease of use makes this device an ideal travel companion.

Specs: 12 channel, Hiking, Marine, Automotive, 9 oz

The Bottom Line: If you do not have a car with a built-in navigation system, this portable GPS system has every feature you will want and will not steer you wrong.

Specs: 12 channel, Automotive, Warnings, Navigation instructions, 22.4 oz

The Bottom Line: Although the eTrex Vista and its add-on programs may be a bit pricey, you will not find a more feature-packed GPS device in a smaller package.

Specs: 12 channel, Hiking, 5.3 oz

The Bottom Line: A solid tracking device for hiking that would benefit from built-in maps.

Specs: 12 channel, Hiking, 5.3 oz

Specs: Hiking, Automotive, Navigation instructions, Street name announcement, 5.7 oz