Check out letstalk.com. They have deals all the time where you get a free phone, or sometimes even net 50 bucks in your pocket after rebates.

If you don't want to use the gizmos then don't. I have a camera phone and while I do every once in a very long while snap a picture or two, for the most part all I do is make calls.

As for one-way billing, I highly doubt anyone does that anymore. Even the lowest-priced contracts have so many minutes that it doesn't really matter anymore.