I think they are basically a commodity at this point for me. Im keeping mine until the battery life degrades substantially. My current phone is 3 years old and fine.
I also whill not be buying top of the line devices and will not be baited into a financing a phone with a "free" upgrade at this point. My wife needed a new phone recently and we bought a Motorola moto X for 300$ on amazon. Its fine. Im sure the better 700$ phones have some advantages but it seems 100% servicible to her / us.
Also I like headphone jacks
