The Strada's 5-inch screen impresses, but the unit's performance disappoints.

Text-to-speech. Includes maps for U.S., Canada, Puerto Rico, and Mexico. Multisegment routing.

Small POI database. Sluggish performance. Awkward destination/POI input. No video input. Data fields in map view are small and difficult to read.

Free lifetime live traffic updates make the Navigon 2200T an incredible bargain.

Small and thin. Text-to-speech conversion. Multisegment routing. Handy features including Reality View Pro and Lane Assistant Pro.

Small points-of-interest database. Relatively limited POI search capabilities. Includes maps for the continental U.S. only.

Amax's Jeep GPS branded underwhelming—you get get much more for the same price elsewhere.

User text-to-speech. Maps for U.S./Canada/Puerto Rico included.

Expensive compared with the competition. Has route calculation problems.

With its built-in cellular radio, this GPS device offers live traffic and fuel prices, but it could do so much more.

Route-based live traffic (with subscription). Live fuel pricing. Online trip planning. Built-in 11-million-entry POI database.

Lacks many of the features found in competing non-connected devices, such as lane preview, reality view, and multisegment routing.

The Mio Moov 200 will get you where you're going for less than $200.

Inexpensive. 20-channel SiRFstarIII receiver. Multisegment routing. Text-to-speech conversion. Strong language support.

Lacks vehicle profiles. Slow and limited POI search capabilities.

The Mio Moov 200 is a good GPS value and provides a solid feature set for an entry-level navigation device. Better POI performance would make it an undisputed budget winner.

Mio's Knight Rider GPS is the perfect dashboard accessory for the Knight Rider fan.

Unique, theme-based styling. Text-to-Speech conversion. Multi-segment routing. Includes maps for U.S., Canada, and Puerto Rico.

Celebrity voice doesn't announce street names. Lacks vehicle profiles. Relatively limited POI search capabilities.

Sensitive receiver. Fast satellite-acquisition time. Provides additional functionality to supported premium radar detectors.

Separate module makes for messy installation and removal. Web site doesn't show distribution of enforcement cameras, so it's hard to tell if you'll benefit from the device.

If you've got a Cobra radar detector in your car, this GPS add-on will also warn you when you're close to red-light and speed cameras.

Navigon's 2100 max is cheap and has some higher-end features, but it's dragged down by lower-end performance.

4.3-inch widescreen display. Built-in traffic receiver. Text-to-speech conversion. Multi-segment routing. Helpful Reality View and Lane Assistant features. Optional FreshMaps update service.

Slow route calculation. Small POI database. Speed and trip data displayed in small fonts.

Navigon's 2100 max entry-level widescreen GPS unit proves that you get what you pay for. While the device does come equipped with some of the same fancy features offered by its higher-end sibling, its effectiveness is hindered by a small POI database and...

The Garmin nüvi 500 is good crossover choice for those who don't want or can't afford separate dedicated automotive and outdoor enthusiast GPS devices.

Rechargeable, user-replaceable battery. IPX7-rated waterproof. Integrated with geocaching.com, a Web site that tracks geocaches. Topographic maps are included.

Lacks text-to-speech conversion in automotive mode. Poor track log handling. Distance to destination didn't work in compass mode. No Bluetooth phone integration.

The Garmin nüvi 500 is good crossover choice for those who don't want or can't afford separate dedicated automotive and outdoor enthusiast GPS devices.

There are plenty of good reasons that GPS manufacturers have sold tens of millions of personal navigation devices: Many of us are directionally challenged, and guys like me love our gadgets but hate to stop to ask for directions. Generally, If you're lost...

Sensitive receiver. Quick satellite acquisition. Multiple profiles for various outdoor activities. Highly configurable. IPX7-rated waterproof. Integrated with geocaching.com, a Web site that tracks geocaches.

Expensive. Main Menu has too many choices.

Albeit pricey, this handheld touch-screen GPS device makes an excellent hiking companion—and a fun gadget for high-tech treasure hunting.