It's been a long, arduous road to Shanghai for the iPhone, but its trip may finally be at an end. Sure, there are already thousands of the things in the pockets and purses of trendy Chinese right now, but an official launch there has taken ages. Last summer it was looking like China Mobile had scored the deal with Apple, but word is now that China Unicom may have completed the upset, posting up a page on its site detailing the iPhone's specs and including the phone in its list of supported headsets. The company hasn't officially confirmed the phone's a