Engadget - Not satisfied looking at the latest and best Mac that Apple has ever made under glass? Neither were we, so we tracked one down, ripped it out of its box and stacked it up against the last-generation MacBook Pro 15-inch. How does it compare? Can it compare? Is the new MagSafe 2 connector going to mean you need all new adapters? And, just how amazing is that Retina display?