I have a garmin GPS III Plus, it is great. But I have been fiddling with measuring distances for a while now and every setting I have tried measures either in tenths of a mile or tenths of a kilometer (100 meter increments).
I have used an E-trex summit for the past two years. Easy to use with lots of features. Got me out of a snow storm high in the rockies last fall. Signal strength does get low when in canyons with tree cover, though I am not sure how others would do.
Mach V and all
I found out that greater signal strength could be achived useing rechargable NIMH batteries. I use these batteries for everything now, they last longer have no memory can be charged 1000 times and are less affected by temperature. Just a tip [img]images/icons/wink.gif[/img]