With the new iPhone models firmly out the door and racking up impressive sales, it has become obvious that Apple isn't in any rush to manufacture handsets that sport a bigger screen.To be fair, a change in screen size would have been unlikely for this year's iPhone; to date, we've seen the product undergo a radical refresh roughly every other year, so it's really no surprise that the iPhone 5c and 5s are incremental--if excellent--updates to the iPhone 5's original design.Still, big phones are everywhere these days--so much so that the press has felt it necessary to attach the horrible portmanteau phablet to those models so large as to tread into tablet territory. Thus, it's only natural to wonder whether Apple, which has so far steadfastly refused to budge on the form factor, will follow suit.When b
