Serial GPS

The Bottom Line: If it weren't for a few performance blips, this feature-packed personal trainer with built-in GPS would be a must-have for runners, cyclists, and outdoor sports junkies.

Specs: 12 channel, Running, 2.7 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 SporTrak Color is a powerful handheld GPS device with a bright color display and a wealth of features for the outdoor enthusiast.

Specs: 12 channel, Personal, Marine, 6.1 oz

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: Spend the extra money for the RINO 120; it's all you'll ever need in a navigation/communication device.

Specs: 12 channel, Hiking, 8.3 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: You will be hard-pressed to find a more powerful, more lightweight GPS unit for the price.

Specs: 12 channel, Hiking, 7 oz

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

Specs: 12 channel, Hiking, 5.3 oz