Garmin eTrex 30

With a hi-res color screen, a wider satellite network than ever before (including Russia’s Glonass system), and a microSD card slot for uploading maps, the Garmin eTrex 30 is your best bet for not getting lost. Smart: runs on easy-to-find AA batteries. 

Brand: Garmin $300
From 2012 Summer Buyer's Guide Get the Latest Issue