The "iPhone 4S" name was a pretty common rumor, so it is not unexpected. Given the iPhone's "tick-tock" release schedule (3G->3GS->4->4S), I was not surprised.

well but since yesterday all you knew was 1 -> 3G -> 3GS -> (first real redesign) Iphone 4

Easy to say in hindsight and based on the rumors, but still they didnt really have a tick-tock release cycle before.