I have owned one for about 4 days. I love the unit itself, but I am not actually very happy with it for Geocaching.<br>
I asked Johnny Appleseed sales, specifically about the toughness of the unit versus the Colorado which was my other choice, as I doubted a touch screen could possibly be tough enough for outdoor use, and got told it was every bit as tough as the Colorado.<br>
One of these days I'll learn NOT to listen to so called "experts" and instead listen to my own gut instinct. This is NOT even a remotely "robust" or "tough" unit that the advertising will have you believe.
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Had it just 4 days and already has 3 very substantial scratches on the screen due to a single wayward branch - though actually "twig" would be a more accurate description, it sure didn't take much to do the damage.
And that was just while scouting for a cache around a likely tree with it hanging from the supplied carabiner and the whole lot covered by my shirt. I would hate to see what would happen with some searching amongst more serious foliage or terrain.
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Yes, I could have put it in some sort of protective casing, but then it would be even harder to see in sunlight. It's OK, but not great in sunlight, so a case was mistakenly ruled out as an option. Now I'll have no choice but to get one before ever using it outdoors again, or it's likely to have a very limited life. I am very disappointed that they can describe this unit as "tough" and "robust"
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I personally would only recommend this unit for driveby caching. If you actually get out and start searching - or even worse, do caches that require some hard searching - then steer clear of it. I doubt it's up to serious hiking or the like from having come off so badly from a very minor brush with a very small branch.
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Having said that:
As for the unit itself, I do like the features and the unit itself. It's a great GPSr if you don't intend to do anything rough with it, it's a beauty. Nice to use, seems very accurate, gives INCREDIBLE reception. Works through the house, even in my local supermarket.
However, I do find the lack of buttons a pain. Buttons aren't actually a bad thing, I feel they threw the baby out with the bathwater. My previous GPSr was the Garmin Vista, lots of buttons that allowed fast and easy access to the most common features with one hand, without looking, and with consumate ease. Things like quickly ducking between the map and the compass - something that is handy to do while caching - should require a lot fewer screen actions in my opinion. Personally I would think that a left click and right click button on each side of the unit could have given SOOO much greater flexibility and massively simplified the navigation.
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As an example, clearing the current data from dashboard (max speed, distance, etc). Required EIGHT screen presses to get out of the dashboard, go to setup, go to reset, go to those details, select yes, then exit that menu, then reselect the dashboard again.
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Great unit, great features, but not very good without some serious protection, and requires a lot of menu navigation to accomplish anything.
), and having taken numerous other units into the bush at the same time, i would say that this unit is quite up to the task, albeit with the standard care required of any GPS in this environment. 
Yes, the Oregon could be considered prone to scratches, however no more than a similiar sized PDA.
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