Personally if I were going to spend 100+ million on a house I would likely be having it built to my specifications. I just don't see the point of getting one that is already there.
http://www.breitbart.com/news/2006/09/30/D8KFAPOG0.html
http://www.breitbart.com/news/2006/09/30/D8KFAPOG0.html