[Ronin]

When they are waterproof and sufficiently shock resistant to use in a bathtub or sauna, I’ll be interested.

Not until.

[ClearCase_guy]

I’ve heard of people putting a Kindle in a ziplock bag and reading it in the tub. You can work the controls and read the screen with no difficulty, and there’s no way it can get wet.

[krb]

When they are waterproof and sufficiently shock resistant to use in a bathtub or sauna

Just like real books, eh?