Another thumbs-up for Garmin. Check out the comparison charts at their website, the best reference for helping decide.
My experiences are with the eTrex and GPSMAP76 series. eTrex is better for packing because of light weight and small size; GPSMAP76 models have larger screens and are significantly more bulky. Another major difference, the eTrex models have a picture-driven menu, while the GPSMAP76 series has a text-only menu system.
My own unit is a GPSMAP76S. If I were buying a new unit today, I'd want the upgraded version, the GPSMAP76csx.
The lowest-end unit I would consider is the eTrex Legend. It's the least expensive "mapping" unit (AFAIK), offers the user-friendly picture-driven menu, and has the really cool "thumb stud" for navigating the menus.
A quick guide to the model suffixes:
S = sensors. Built-in compass, barometer
C = Color screen. Easier to see in bright sunlight and while driving. Much more expensive.
X = new designation for models with memory card slots and USB connectivity
H = high sensitivity receiver
The features that I consider most important: Built-in compass. Plug for external antenna. Memory card slot.
What confuses me is the topo maps part. Are they "built-in" or is that something thats extra?
The GPS units come with a "base map", which is mostly a data set of major highways, railroads, towns, and political boundaries. To load additional maps (like topo maps) into the GPS, you must have a "mapping" GPS, and only the Garmin map products can be loaded into Garmin GPSes.
Almost any GPS unit, even the very cheap eTrex Basic, can collect and save data to upload to a computer where it can be used with most commercial mapping/GIS/GPS software. Even some freeware computer programs can interact directly with name-brand GPS units.
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Some shopping tips for you:
To learn more about each unit before purchasing, you can download the manuals from the Garmin website.
I found the best Garmin prices at
www.gpsnow.com and have purchased from them multiple times.
For accessories, check out
www.gpsgeek.com . Their "Gilsson" brand accessories (cables, cords, antennae, holders) are very good quality and a fraction of the price of Garmin-brand accessories.
Yes, I'm a nerd...
