Looks like most prefer the look of iOS 7 icons over iOS 6.
http://techcrunch.com/2013/06/24/de...efer-ios-7-icon-designs-to-ios-6-study-finds/
http://techcrunch.com/2013/06/24/de...efer-ios-7-icon-designs-to-ios-6-study-finds/
Most of the time people like "new" just because it is new so this isn't surprising