A version of this already exists -- I've seen something similar at dog salons. They put dogs in a cage, then attach dryers (essentially giant hair dryers) and let the dogs sit there until they're dry. My dog hates them, but they could be interesting for humans -- perhaps inside the shower so that you can step out already dry. I bet the Japanese would find this very interesting :).

I read somewhere that you can get a body blow dryer that is installed in a shower stall. When you finish your shower, the blower turns on automatically and dries you and the stall at the same time.

Somehow, yeah, I bet the Japanese are doing this already. :) It's a great idea, though. I'd want that in a remodeled bathroom.

Blowers are too slow (unless it's really strong and then it would probably blow your eye lids open).. it's much faster to clean the towel since you don't have to stand in front of the washer/dryer.