I think The Verge's review is spot on tbh (and I have probably posted it 3 times in this thread already)
http://www.theverge.com/2012/9/21/3363238/iphone-5-review
But there's also another segment of the market, of which I consider myself a part. That segment thinks that there's still a lot of work to be done in mobile devices; still a lot of innovation to come. And that's not innovation for the sake of innovation. I mean real innovation in the way we use our phones, in the flexibility of those operating systems, in how those devices become an extension of ourselves. For that segment, I think the iPhone 5 and iOS 6 fall short. There's a lot more work to be done, but right now Apple seems to be in a holding pattern, too comfortable or too scared to take real chances.
http://www.theverge.com/2012/9/21/3363238/iphone-5-review
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, one thing i love about my S3 is that i can customise every single pane if i wanted to.