I'm avid follower of this thread but rarely have much to add. Anyway, I saw this in the paper earlier this week and thought I'd share:

http://pagesix.com/2014/12/30/bey-an...25k-per-night/

I've never really seen the utility of the Amanpuri villas over the other accommodations, but I suppose if you're traveling with a large enough group -- and actually want your group nearby -- they might be more appealing.