With WWDC 2013 set to kick off in less than a week with an Apple keynote on 10 June, speculation about what to expect from the event has been hot topic. It is widely expected that we will see a MacBook refresh, and allegedly leaked SKUs have added evidence to that rumour this week.Related StoriesApple closes OS X 10.8.4 beta testing, final release is imminent?Slimmer Retina MacBook Pro with improved FaceTime HD camera, Haswell processor expected at WWDC
