Under normal circumstances, I would not be considered a target customer for the iPhone 4S. I bought the iPhone 4 on launch day. I was not up for renewal until late November.
Because of work commitments (look for the upcoming "Taking Your iPhone 4S to the Max" co-written with fellow TUAW bloggers), I paid the early upgrade penalty and received my iPhone 4S on October 14.
I've now spent 10 focused days with the iPhone 4S, exploring onboard features for technical coverage (I probably know a little more about how to make selections and share media in the Photo app than any normal person ought). The rest of the time I've been doing what the iPhone is meant to do: place phone calls, run errands, take family pictures and so forth.
Here's some extremely subjective feedback on my personal 4S experience duri