We've seen our fair share of uncomplicated (and under-featured) GPS units, but the Bushnell BackTrack D-Tour throws in just enough tricks to make our inner techno-mountain-man salivate. The D-Tour does away with onboard maps and turn-by-turn directions for five simple waypoints and a digital compass. Lose your way? Just follow the arrow back to the campsite. When you get home, you can dump your hiking data into Bushnell's map application, which will show you exactly where you've been, how far you traveled, and how f
