I recently bought a new 13.3' rMBP from Best Buy. After about a month of use, I've noticed that they had sold me the late 2012 model. I'm not concerned about the hardware upgrade from the late 2012 to the early 2013, however, I intend to resell the laptop eventually, and am concerned about the resell value. What are my options in this situation? Can I go to Best Buy and ask for an exchange? Should I even be concerned? Or perhaps I purchased last year's model unknowingly, and I am in the wrong? What would you do in my situation?