If it weren't for the rose gold finish, we'd be hard-pressed to distinguish between this year's Retina MacBook, and the one of yesteryear.

The exteriors look identical, from the Pentalobe screws in the lower case all the way down to the model number—A1534.

The only telltale sign that something's different is the updated EMC number: 2991 compared to last year's 2746.