Cabelas offers the refurbished Garmin eTrex 10 Handheld GPS Navigator, model no. 010-00970-00, for $59.99. Coupon code "4JOLLY" bags free shipping. That's $20 under the lowest total price we could find for a new unit elsewhere. It features water-resistant housing, 2.2" LCD, worldwide basemap, and 20 hours of battery life. It requires two AA batteries (not included). Deal ends December 17.
A 1-year warranty applies, although it's not clear who provides it.