REI offers the Garmin eTrex 20 Worldwide Handheld GPS Navigator, model no. 010-00970-10, for $134.93 with free shipping. That's $24 under our mention from January and the best price we've seen. (It's also a current price low by $15, although most merchants charge $179 or more.) It features a 2.2" LCD, worldwide basemap, and waterproof housing.
Of note, you can also add an REI Membership to your cart for $20. Apply coupon code "JOINREI" to bag a $20 REI Gift Card, essentially making the lifetime membership free.