It might seem like Apple's been ignoring its non-Pro MacBook line lately -- even doing hardware updates on the sly -- but consumers haven't, and they've been lapping up that solitary SKU with unabated enthusiasm. No surprise then that Cupertino would have bigger plans on the horizon, and AppleInsider claims Apple's engineers are already hard at work on an "industrial design overhaul" for the humble 13-incher, with some configurations expecte