This is a very good job. I plan to iOS7-ify my HackerWeb app once iOS7 is released next month, so your article would be helpful to me :)
Having web-apps trying to mimick a platform I don't use just feels wrong. In much the same way as those fake Windows-UI images ("Scan complete. 3 viruses found!") used all over the internet trying to trick noobs into installing malware.