You can go to CNET.com. There you will be able to find both professional and consumer review for the Garmin GPS 7.
The Garmin GPS seems to be a good product and has gotten good reviews. I've heard that there is a problem with their batteries though. I would check PC Magazine as they may have a better review.
Garmin is one of the largest manufacturers of GPS systems. I hear that the Garmin Astro 220 is a very good GPS. Garmin has very good customer support also.
You can review and purchase a garmin bike gps on the following site: https://buy.garmin.com/shop/shop.do?cID=160. It is extremely useful.
The Garmin Forerunner 405 GPS are an accurate brand of GPS and a good watch.
You can find the difference between marine gps systems and garmin gps systems on the following site: http://www.secrets2business.com/the-difference-between-marine-gps-handhelds-and-their-bigger-brothers/. They have good descriptions.
You can find pricing for a garmin gps system on the follwoing site: http://www.bizrate.com/global-positioning-systems-gps/garmin/. You can find some great deals.
Amazon.com and Nextag.com have the best selection and prices for Garmin GPS devices. These online retailers have good reviews from customers and have many other GPS brands to select from as well.
Unfortunately, Garmin does not offer a Golf Course GPS package for the Garmin Model 205W. You would have to purchase the Garmin GolfLogix GPS unit.
This would depend on who you asked. Also this depends on the model of Garmin GPS you are looking at. But you can find reviews of different Garmin GPS, and other GPS brands at www.gpsreview.net.
A good place to find Garmin GPS devices in lots of 5 or more is on eBay. http://www.ebay.com/ Using the search words 'garmin wholesale' should bring up the current auctions. eBay is also a great place to find a single device at a great price. Using this link to Nextag http://www.nextag.com/Garmin--500003/garmin-GPS-wholesale/brand-html, you can find a list of online stores with models and prices of many Garmin GPS models.
You can purchase a Garmin GPS for your new car at Wal-Mart, Target, Costco and Best Buy. Amazon.com also sells the Garmin GPS if you are interested in shopping online.
The Garmin Nuvi 255 Automotive GPS System has a really good rating.