They're all good
I don't know what kind of visit you have planned but I have used the main airport at Albuquerque, Santa Fe and Los Alamos and they all handled my airplane just fine.
At the Cutter FBO at ABQ they wanted me to taxi up in front of the FBO, unload and let them tow the plane to parking. I told them there are no provisions for towing the airplane and I wanted to park it where it was going to stay. There was no problem at all - they directed me to the parking area on the west side of the FBO and from there on it was transient parking as usual. The great thing about this is the airport is reasonably close to the motels, rental cars and restaurants (on the other side of runway 8) and the FBO will deliver you to your motel or the terminal, etc.
I worked with the National Laboratory at Los Alamos on a project for several years and I made many business and personal trips to the area and I always found it an enchanting area justifying its "Land of Enchantment" title. Santa Fe and Los Alamos also have rental cars and they are more laid back than ABQ. The cars are within easy walking distance of the tiedowns. This is an area that needs to be explored in some detail and you really need a car to do it well.
Los Alamos has no control tower and the departing and arrival traffic are in opposing directions (land to the west depart to the east) so you have to get on frequency early and coordinate both operations carefully with other traffic. Cross winds there can be severe and the runway is built on a volcanic deposited finger of land with a drop off at the east end that makes Sedona look like child's play. You will be treated well in your RV no matter which airport you choose.
Bob Axsom