This almost goes without saying, but it's truly been a wild ride for the iPhone 4 over the last three weeks. While most of us will just happily open our hands to Stevie J's freebies, there's one question that's still bugging us: what's actually holding back the white iPhone 4? Sure, Apple's now promised us an "end of July" delivery for its latest iTemptation, but it has yet to specify what the
