We have GPS Systems Comparisons right here on this webpage! Portable GPS comparison of the top 5 GPS Systems. Today’s handheld GPS systems have incredible features that can prevent you from getting lost, or being late to, any location in the world. Portable GPS can also help you avoid those dreaded traffic jams. Just imagine… never being lost again… always knowing where you are in any city…and always avoiding congested areas…all because of one simple portable GPS navigation system! Thing is, how do you know which portable GPS system is right for you? This page offers GPS comparisons for 5 of the top-rated handheld GPS systems currently available. Listed are screen size and weight for each handheld GPS system as well as current market prices. We took this GPS comparison one step further by showing you places online that you can buy a handheld GPS unit for way below current suggested retail.