I decided that while they are convenient and good for emergencies, I didn't need to be one of those people who always has a cell phone glued to their ear. Plus, I don't like the idea of always being in contact with anyone, anywhere, at anytime.
So, I went with pay-as-you-go. My wife already has a contract with Sprint, but she has long-distance relatives and it's cheaper than paying long distance rates on our landline. I, on the other hand, just needed it for quick/emergency usage. I liked that I had no committment, no plan, nothing like that. I only have to pay a minimum of $20 every three months to keep my service active. Except for the time around GenCon, I rarely go through $20 every three months. I can still get ringtones and fun stuff like that, but if I decide I want to switch carriers, no problem and no penalties.
I use Virgin Mobile, by the way.
JediSoth