There is a list of other silos for sale at this link....fun to see...
http://www.missilebases.com/properties
Several years ago I was in Tucson and visited a decommissioned silo that was open for public tours. It looked a lot like the silo at your link that is in the Tucson area. It may not have been homey, but it was built to withstand all kinds of stuff. Definitely an interesting tour.