Speaking of two years ago, here's some older concept work BMW Group DesignworksUSA did for the 787 to drum up early interest. The designers came up with a sort of split-level ranch with wings, a plane that a literal high-flyer could live and work in--with nineteen friends in tow.
By dipping into the cargo bay and with the liberal use of staircases, plenty of room has been created for a master bedroom, master bath with freestanding tub, a conference area, guest suites, a large-screen movie theater, a gourmet kitchen, office space, a cocktail bar, you name it. There's even one area with a glass-bottomed floor so you can look in on your car (a BMW) stowed below deck. The only thing this plane is missing is a room to torture James Bond in.