[DMflyer]

There is a new Garmin nüvi 550 3.5-Inch

Here's some things I think make it good for Geocaching:

geocaching GPX file capabilities for complete cache descriptions and hints
nüvi accepts custom points of interest (POIs)
(can be used with GSAK and POIloader to upload cache pages)
Wherigo player

This nüvi GPS device is compatible with Wherigo, the latest GPS-based activity from geocaching pioneers Groundspeak. Wherigo (pronounced "where I go") is a toolset for creating and playing location-based multimedia experiences in the real world. Using the Wherigo platform, Wherigo authors can build exciting adventure games, historical tours or other innovative activities.


3.5-inch touchscreen
microSD memory expansion
plug in optional preloaded microSD memory cards
(optional Garmin MapSource card)
- BlueChart g2 Vision maps

user-replaceable lithium-ion battery (able to carry extra battery for longer trips)
up to eight hours of battery life per charged battery

Crossover from city to back country
User modes: Driving, Boating, Bicycling and Walking

Turn by turn navigation
ruggedized - waterproof
WAAS-enabled GPS receiver and HotFix satellite prediction
easily switches modes (driving, walking, biking and boating)
Garmin Connect Photos--enabling you to associate your favorite images with saved locations.
detailed City Navigator NT street maps for the United States
six million points of interest, including hotels, restaurants, gas stations, ATMs and attractions