On Monday afternoon, I posted a Backstage story discussing my experiences with the 2010 13” MacBook Air and my conclusion that—for my personal needs, at least—it wasn’t the right fit given the similar experience and greater value offered by the same-sized MacBook Pro. At the end of that day, the $600 price premium the top-of-line 13” Air represented over a better-equipped base model Pro just wasn’t justifiable given…