First, there was that comment from Steve Jobs that the iPhone 4 looked like “a beautiful old Leica camera”. It did not take long to see the first iPhone-Leica modification and now flickr member joey_joey_joey has an even better implementation, this time the iPhone 4 turns into a Leica M9 (probably also by using a Griffin Reveal case update: actually, those are stickers):
a nice touch is the Leica M9 wallpaper on the iPhone screen: