This is the best value of the models in the eTrex series. The eTrex 10 loses the colored display and doesn't support maps or aerial imagery. The eTrex 30 adds features found on more powerful units: a barometric altimeter, wireless data sharing, and a -axis electronic compass. However, if you're going to pay more for other features we think it's worth stepping up several levels to the Garmin Oregon 600.
The Garmin eTrex20 has been replaced by the Garmin eTrex 20x, which retails for $200. Keep reading to find out more!
Check our complete Handheld GPS Review to compare all of the models tested.