Arnie and his wife have a fever, and the only cure is more iPhones. A shiny new iPhone 3G S to replace the clunky old 3G iPhones they’ve been forced to use, to be precise. Frustrated that the cell phone business insists on subsidizing the gadgets by only offering a sane price to new customers, or customers willing to upgrade, Arnie called AT&T. That’s when he stumbled on a solution that’s almost hilarious in its simplicity.