I've posted some links to some of the homes that inspire me, from $5000 dollar earth-sheltered roundhouses to $100 million dollar floating hotels. Check 'em out at SVICA. Here's one of my favorites.
http://blog.sfgate.com/ontheblock/2009/05/20/live-like-a-hobbit/
http://blog.sfgate.com/ontheblock/2009/05/20/live-like-a-hobbit/