This is the Retina MacBook Apple needs to make

A new report suggests that Apple is planning on upgrading the entire MacBook line at WWDC, its big developer conference held at the end of May. Some upgrades we can already call: the new MacBook Pro and old MacBook Air line will probably get Intel's latest version of Core i7 processor, and new iMacs are almost a lock. But beyond a minor spec bump, it's difficult to know exactly what Apple plans to do with the Retina MacBook.Right now, the Retina MacBook is sitting in a weird place. In many ways,