It's hard not to drown in Apple rumors right now, but here comes another one to help things along. As a counterweight to recent reports of MacBook Airs getting Retina Displays, the label above hints that the 13.3-inch MacBook Pro could be stuck with plain-Jane 1280 x 800. There's nothing to say that this bit of paper didn't derive from an inkjet hooked up to someone's imagination, but some of the other new specs have been rumored already from separate sources: notably the HD 4000 graphics reflecting the presence of