Thank you Gene for your feedback.
My client is in the Auston area up on a hill overlooking a lake. There is a home there now, but it is coming down and the slab will be expanded a little bit. I believe we are going to stick-frame 2x6 walls and trusses. It will not be anything crazy, just a nice comfortable place to keep his wife happy and she doesn't like it here in Florida, but he is not leaving. So they will play between the two homes. If I can't find someone to sign off, he might go for your suggested option.
Thanks,