No. just no. And here's why:
If there is to be a huge fuss made about these devices, which cost a couple of percent of the value of a car (And a far less of a status symbol, sorry fanboys), then yes, I expect something new, something different.
I'm fully aware of how far smartphones have come since I owned a Motorola A925, but if these devices are to command such price tags, and such attention (Some of which is not down to Apple), then I expect something of substance.
The iPhone 5s is nothing new. not that there's anything necessarily wrong with that, but when you have the weight of expectation on you, you need to hit it out the park.
There is one question that needs to be answered when it comes to new devices such as this, and that's 'Does this device stand up on it's merits alone', and in this case, I have to say no. The value proposition just isn't there if you own a 4 or a 4s.