Biggest problem is the carriers own too many people in the regulatory agencies and too many people in Congress. The agency people and congressmen need the bribes, so they aren't going to piss off the carriers.
Having trouble imagining a 27" retina screen. If they are having trouble making enough 13" retina screens, how bad will it be for 27"? However I'd hate to see them making it thinner and losing functionality in the process. Thinner is fine, but not if it means integrated graphics only for example.
East Texas is the best place in the world for patent trolls; all you need to be successful is to promise the judge/jury money. I often wonder how much the judges and juries make from the patent troll lawsuits. Do the judges/juries get a percentage of the award or a flat fee?