The Magellan GPS mounts costs in the range anywhere from $100-500 depending upon what model your purchase and how many features it has.
According to various sites (Amazon, Ebay, GPS store online) the vast majority of customers were extremely satisfied with the position in which the Magellan GPS mount held their GPS. It was also mentioned many times that this mount was much preferred over the original suction cup models.
The first handheld GPS, the Magellan NAV 1000, was released in 1989 and cost around $3,000.
Yes, Magellan makes an adjustable windshield mount. You can find information on this and also purchase this mount at http://www.amazon.com/Magellan-RoadMate-GPS-Windshield-Mount/dp/B000196EO6.
To mount a Magellan GPS you have to simply place the cup onto the window and press down firmly. This will allow the air in it to escape and suction onto the window. It is very simple to do.
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
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.
There are many different types of magellan gps mounts. Some suction to your windshield and some are dashboard mounts. There are also motorcycle mounts too.
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.
A gps mount can range from 5 to 25 dollars depending on the brand and the quality that you are looking for. There are also many kinds. There are suction cups and also velcro models.
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/