Wonderful stuff. I would like to see more of your original concepts, if you have them.
I'm not terribly fond of the Celebrity Sweepstakes concept, simply because, to me, it looks dated... but then, I feel the whole idea for the show is dated (though at least you managed to bring it up to around 1988 - almost halfway there!). I still would like to see your original takes on some other sets, though.
Again, impressive work.