Tiny Green Cabins has some pretty nice and well thought-out designs. I find their website a little difficult to navigate but their blog has some interesting stuff on it. I am very much a traditionalist and a form-follows-function kind of guy. However, I think they have some new and innovative designs as well as some very nice features for comfortable living.
Check out this house tour of one of their recent builds. It’s worth the 13 minutes.
Preindustrial Craftsmanship 