I love my iPhone, and have loved it since I ditched my Sony Ericsson 710a way back in 2008. But no device is perfect, and every year I look forward to Worldwide Developers Conference keynotes and the new iOS features that typically come with it. iOS 7--previewed at this year's WWDC--brings fixes for quite a few of my long-term quibbles--here are the ten I'm most looking forward to.Related StoriesiOS 7 developers discuss Android/Windows similarities and redesign challengesNo, Apple's critics are not 'getting under its skin'