Note that all these devices take some time to get used to. There is at times a steep learning curve for setting them up for use, creating tracks, managing tracks, and navigating while on the road.
Once you learn how to use them though, they can be one of your best friends on the road. They just need patience, a few phone calls to Garmin support, and trials in your local neighborhood.
Here are the options:
|Model||MSRP (you can often find lower prices in retail stores and online)||Map in background||Heart rate (belt purchased separately)||Navigation||Comments|
|Edge 810||$499||Yes||Yes||Yes:||This is the latest GPS cum bicycle computer cum navigation machine. It should be fantastic when it works. Earlier releases of the firmware on the unit had many defects. The unit was practically not usable. I think they fixed many of the issues by now.|
|Edge 510||$329||No||Yes||Yes. There are a couple of options:||This is my current favorite. I navigate with it on new routes all the time with no trouble. Very easy to use. Very stable. Many advanced features.|
|eTrex 30||$299||Yes||Yes||Yes, similar navigation to the Edge 810.||This is one solid GPS, practically indestructible, very long battery life, AA batteries can be replaced easily, very easy and simple to operate.|
|eTrex 10||$109||No||No||Yes, similar navigation to the Edge 510.||Similar to eTrex 30 with fewer functions and features, but very usable.|