I stay at home and look after the children viagra patent auslaufen logo viagra pflanzliches viagra nat The new 2013 version of the MacBook Pro finds itself in the position of playing catch-up to its own underling. The MacBook Air already has a more efficient Haswell processor and all day battery life thanks to last month’s overhaul. Now Apple has to add those features to the MacBook Pro just to keep it relevant. But the Pro still has one headlining differentiator. For all the efficiency the Air has gained, it still only offers an HD screen with no option for the even higher resolution retina display. That alone makes the 2013 MacBook Pro the automatic choice for some buyers when it arrives. But what else does Apple have in the bag for those would-be MacBook Pro buyers who don’t give a whiff about the Regina display?