We've found, like everything else, there are KOAs and then there are
KOAs. Some are just too expensive for what they are, and then some are very nice. The one just a little North of Carlsbad, NM, comes to mind as being nice. However, one of the things that
really gets me about KOAs is the time required to check in. I've been to five star hotels on business that were much easier and faster to check into than most KOAs. Don't they know that by the time you stop into a campground a 5 PM that you are tired, and just want to park? They ask you for all kinds of irrelelvant information, then try to act like a travel guide and show you all the literature about the surrounding attractions, and then to top it off, make you follow some guy on a golf cart that sometimes doesn't know anymore about the park than what you learned from looking at the park map!
OK, rant over.