If you are looking for the perfect GPS then there are some things to research before you start buying. It would be recommended to browse through the top brands, Garmin, TomTom and Magellan GPS to learn the features of each. Above all, make sure the GPS unit has enough software to accommodate all you want to do while out on the trail, in the car, or on the boat.

There are certain considerations on portable units in the car. There is nothing worse than the unit falling off its mounting while you are driving. So, is the unit you are eyeing going to be a good fit on your dash? If your system is removable, its a good idea to remove it from the car when parked to avoid excessive heat from the sun or theft. But, if you are like many, you may enjoy its use enough that remembering to carry it with you won't be an issue. Finding the perfect GPS is not always that easy. Some may be geared for a certain niche or activity and you might find that the different brands might also carry their own strengths. A TomTom GPS might be more effective on the street alone, while a Magellan GPS might have street and trail maps.

Keep in mind that as soon as you have started on your journey, and set the GPS system up to plan your route, you should not touch it again. The GPS should be there to assist you, not to distract you. Ideally, it will give you information about directions through the cars audio system, and you will not need to look at the screen too often when you are driving, as this means that your attention will be diverted away from the road or open water.

Magellan's in car GPS systems, for example are simple and handy to use when you need to know your exact position without a road map. The first thing to check before you set off on your journey is to make sure that the GPS is loaded with maps of the area you plan to travel in. This can be commonly over looked when purchasing a new unit. There is different software, providing detailed maps for any area, nationally or globally.

You may also want to browse through the available accessories for the GPS you are considering. Major manufacturers like TomTom, Garmin and Magellan GPS will sell their own first party accessories for their units. This can play a minor role in how efficient or effective the unit may be for you and your activity. From windshield mounts to carrying cases and extendable memory. It is a safe practice to leave room for expanding on your GPS unit in the future.

So, if you are on the search for the perfect GPS, it is key to set clear expectations as to what you are looking to get out of a unit. A GPS system is a miracle to some people. Those who simplly want to type in an address and have a personal navigator sitting on their dash, talking them through traffic. Other's might expect more. Navigating the snowy backcountry and tracking way points to find that perfect peak. If you are one of those die hard outdoorsmen, it may be a safer bet to avoid buying a GPS that does it all, instead of one targeted on your niche activity.