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I don't own one, but from what I have gathered from lots of reading here - the SEE is a good piece of equipment for what you want to do. It is small, somewhat agile and pretty capable. It isn't a road truck, but that isn't what you want to do. It has a bucket and a hoe, so doing what you want to do is good...
The real thing to compare is what would it cost you to buy a used backhoe and what it might cost for a SEE. If the money is the same, either of them would resale about the same too...
AND THEN there is the Former Military Vehicle part of the equation. If that is your goal when all the dirt moving at your place is done - will this thing still hang out at your house just because it can?