I used an GPS III+ at work (to mark nest boxes, mostly) for a couple of years & got my own eTrex Legend this summer (mostly for the same stuff, since there were too many people & not enough units). I'm kind of a Luddite, tho -- I don't need color, i don't need driving directions, i don't want games. It *is* cute & blue & sparkly. :-) I will be getting the topo map software, tho.