The Megellan Meridian GPS can be purchased for the low cost of $150.00 through Amazon.com or from http://www.thegpsstore.com/Magellan-Meridian-Series-Accessories-C55.aspx this site also includes all the accessories you may need for this product.
The Magellan Marine GPS is fairly priced at $105.36 (new) and $104.16 (used) through Amazon.com http://www.amazon.com/Magellan-Meridian-Marine-Waterproof-Hiking/dp/B00005OLY9
I would go directly to the Magellan website. They will be able to offer you plenty of information on the magelan meridian gps, Visit them at magellangps.com
The Magellan GPS mounts costs in the range anywhere from $100-500 depending upon what model your purchase and how many features it has.
The first handheld GPS, the Magellan NAV 1000, was released in 1989 and cost around $3,000.
A car magellan gps system costs about $300-400. A hand held can range from $400-500. a car kit for one's iphone costs $100. It just all depends on what your looking for.
About $140 (USD) on Amazon.com.
Online you can find intructions for the Magellan GPS by visiting the following webpage where you will find Magellan GPS located just under the "G" heading. http://www.retrevo.com/samples/Magellan-GPS-manuals.html
Yes you receive better reception so I would recommend a gps antenna. It doesn't cost much and is available at most electronic stores. http://www.gilsson.com/
Update prices are usually around $80 bucks for Magellan GPS systems. Pretty pricey if you ask me, but you can easily download the updates from their website: MagellanGPS.com/Maps. Just go to Vehicle Navigation Maps and select your device.
The best of the two, Magellan and Garmin, would be Magellan. Magellan has the most accurate and consistent GPS. Shoot for Magellan for sure, you will definitely never have trouble with it.
One way to learn about the pharos gps 360, is to compare it to similiar products. At http://www.msh-tools.com/magpharos.html you can see the results when comparing the Pharos gps 360 to the Magellan Meridian gps. Here you can view the results found when both gps were taken through a series of tests.
The Roadmate Magellan is very comparable to the Garmin GPS. The Magellan helps you with your daily commute by providing turn by turn directions. Also Magellan offers free map lifetime map updates.