According to the latest CNET survey, the top-rated GPS was the Garmin Nuvi 3790T. It was rated "Outstanding" mentioning that it had the right blend of form and function.
There are several highly rated GPS tracking systems on the market such as Garmin GPS, Vyncs GPS, and Spytec GPS. The best system for you will depend on your specific needs and preferences. It's recommended to read reviews and do research to find the system that best fits your requirements.
Garmin is currently leading with the top 3 GPS devices. Including the Garmin nuvi 255W, Garmin nuvi 1690, Garmin nuvi 3790T.(http://www.consumersearch.com/auto-gps)
Per consumer review, the Humminbird 898c SI Combo Marine 7" Navigator seems to be the highest rated gps sounder on the market. while high priced, the Humminbird seems to have many options that make the price worthwhile. http://www.nextag.com/serv/main/buyer/OutPDir.jsp?search=gps+sounder&psort=10
There are many companies that sell high-rated GPS sounders. But the top two, and most highly recommended are the Garmin or Tom-Tom brand. Both of these are good quality sounders for the price they are offered.
One of the highest rated GPS fishfinders is the Garmin echo 150. You can purchase this item from retailers such as Amazon. Once on the page, type "Garmin echo 150" into the search field at the top of the page to bring up the item.
Gps doesn't have a past tense as it's not a verb.
Cobra GPS systems are the highest rated most up to date GPS systems that offer a LCD touchscreen. They have them as big as a six and a half and can be programmed just like the small ones.
Garmin has consistently the highest Consumer Reports ratings amongst all GPS devices. Sony has great reviews too, but Garmin reviews are better across the board.
The Gamin GPS is no longer the number one rated on the market. It has been replaced by the Andover-Himmels FinderMan GPS, and is no longer the number one rated.
I think the best rated GPS is Garmin, because all of my other GPS broke such as Tom Tom, though Garmin does have some GPS that break, it is usually the old ones, so buy a new Garmin GPS.
This will depend on which website that you look at, but on cnet.com the Alpine PND-K3 GPS receiver had the highest user rating, and mio C22o had the second highest user ratings.
CNET.com found the Garmin Nuvi 3790T was the top rated GPS of the ones they tried. It was rated as exceptional to its blend of form and function.