There are several Global Positioning System (GPS) receivers on the market today, ranging from just over $130 to several thousands of dollars. GPS's use military satellite transmissions to help you determine exactly where you are at any given point in time, and come in a wide variety of sizes and offer a large range of functions.
1. Tomtom XL 340S GPS
This is an automobile/map GPS system. The TomTom XL 340-S GPS mounts on your dashboard, and provides information and convenient directions throughout your trip.
2. Garmin nuvi 265WT GPS
This widescreen, dashboard mounted navigator takes you there with preloaded maps and turn-by-turn directions that call out streets by name.
3. Garmin nuvi 255W GPS
A cheaper version of the nuvi 265WT (above). Features voice-prompted turn-by-turn directions that speak street names and optional MSN Direct services to get you there on time and keep you informed.4. Garmin Forerunner 305 GPS
This wrist-strap GPS unit is designed to help you with your running/walking/jogging program. The unit continuously monitors your heart rate, speed, distance, pace, and calories burned so you can train smarter, more effectively.5. Garmin GPSMAP 60CSx GPS
This hand-held GPS features a waterproof and rugged housing. The microSD card slot is located inside the waterproof battery compartment. Users can load map data and transfer routes and waypoints through the unit s fast USB connection. In addition, this unit features a new, highly sensitive GPS receiver that acquires satellites faster and lets users track their location in challenging conditions, such as heavy foliage or deep canyons.6. Garmin Rino 530HCx GPS
You won't get lost with this hand-held GPS designed for hiking and camping enthusiasts. The GPS navigator includes a barometric altimeter, electronic compass and NOAA weather radio7. Garmin Forerunner 310XT GPS
A completely waterproof wrist-strap GPS training device. The 310XT tracks bike and run data and sends it wirelessly to your computer. It can also be used in the swimming pool.8. Garmin eTrex Vista HCx GPS
This hand-held GPS is specifically designed for hiking through deep foliage and canyons. the receiver holds a GPS signal in the toughest environments. Similar to the Vista Cx, this handheld navigator also has a bright color screen, barometric altimeter, electronic compass, microSD card slot and automatic routing.9. Garmin Astro GPS
Tired of searching for your hunting dog in tall grass or dense cover? Now you can leave the hunting entirely to him. Introducing Astro, the high sensitivity GPS-enabled dog tracking system for hunters and sportsmen. This unique system pinpoints your dog's position and shows you exactly where he is, even when you can't see or hear him.