Comment I love geocaching! (Score 1) 80
Started geocaching with a Garmin GPS V and since upgraded to a Garmin GPSMap 76CS. Unless you're sure you'll like it, it doesn't really matter what GPS you get - they will all get you to a cache. GPS with mapping and auto routing can provide directions to the cache location like you'd get with Hertz Neverlost, but once you're out of the car, all GPS units will point you in the same direction.
Depending on where you live, there are different types of caches. By me in Northern NJ you have some drive up micro caches with lots in local parks. But my favorite are the ones in County and State parks like Ramapo, Harriman and Bear Mountain among others where you can park and hike for 10-15 miles and log a few (to a dozen) caches. Geocaching has made me a huge fan of hiking.