Early reports indicate that the new iPhone 3G is selling faster than the first iPhone, and with all the extra hype, it’s easy to think the iPhone 3G is the most complete device ever created. While customer satisfaction seems to remain high, there’s definitely room in Apple’s new cell phone for improvement. And if there’s one thing the company’s aficionados love to do, it’s to imagine the next generation of their current product. Now that the iPhone plays well with 3G data networks around the world, what’s next for Apple’s iconic iPhone?