The one thing you don't see or hear too much about is e-book readers at the gym. But if you're into reading on the treadmill, elliptical, or stationary bike, the Kindle 2 and other e-readers are pretty ideal.
The key is there are no real page turns to deal with and you don't have to worry about keeping the book--especially a paperback--flat. You just reach out and press the "next page" button to keep reading.
The only problem I had was that on some machines my positioning put me too far away from the Kindle 2 to read smaller type. But that's remedied by jacking up the font size. True, you have to click the next page button more often because there are fewer words on a page. But at least you can read the type without any trouble.
Of course, people who have access to fancier exercise machines with built-in LCD TVs tend to watch the video rather than read something (and some gyms have that nice wall of TVs to look at). But now that certain hotels have started loaning out Sony Readers to guests, maybe some enterprising, high-end gym will allow you to check out a Kindle 2 loaded with periodical subscriptions for your workout. A company called Octo does make a water-resistant cover that would probably qualify as sweat-proof.
Anybody else think e-readers have a future at the gym?
Additional reading: E-book readers check in to hotels