Apple is planning to update "at least four out of their five" Mac lines at WWDC, according to sources for 9to5Mac. New systems should at least include two reconfigured 15-inch MacBook Pros, although what will happen with the 13- and 17-inch MacBook Pros is unknown. It's also believed that both the 11- and 13-inch MacBook Airs will be updated, as well as the iMac line. Less sure is what the fourth Mac to be updated will be, but it's speculated that it will be the Mac mini rather than the Mac Pro, since the Pro has been neglected for about two years.
