Magellan eXplorist GC
($150) A user-friendly navigation device, the eXplorist has a color screen and can be filled with downloadable topo maps and satellite imagery. All users, new and current, of the eXplorist GC model can upgrade their unitsâ software to download maps. Itâs also preloaded with nearly 1,000 of the worldâs most popular geocaches, so you can get started with the fun activity of geocaching (see âFun With Navigationâ below). We saw it online as low as $99.