If all you're doing is checking email and downloading music, how is it a waste?
You can slap on a 32gb USB stick for another $20 and you're good to go.
It does all the same things as a phone, its really a buffer between now and when technology improves to allow phones to connect to TVs and work with keyboards and mice natively. It's a Betamax, laserdisc sort of thing. The best market for this is going to be with hotels & hospitals and even then it's still probably going to be classed out.