For me and I suspect for a lot of people in the iOS user base, parity for Android isn't enough. To switch, it has to be significantly better than what we already have. Yet there are still plenty of people coming into the smartphone and mobile computing world for whom Android will suite them fine. It looks like we're headed for a rare thing in computing - a market in which two platforms with distinct and complementary advantages and disadvantages, become roughly equally viable and pervasive. Imagine a 1990s where Apple had say 40% market share versus Windows, instead of 5%. What a great outcome for customers!