Faraday81 has some terrific space/future/sci-fi creations. You'll have to check out his Brickshelf account, by clicking on his name, and see some of the other things he's made, like some amazing microscale ships.
No More Crowding the Other Blog with My LEGO Obsessions! This is a non-profit blog. If for some reason you don't want your awesome creations on this blog, I can take 'em off in a heart beat. Just leave a comment. Enjoi!