Mentions of new iMac models are buried inside the OS X Mavericks 10.9.4 beta that was . There are three new resource files for power management that mention three new iMacs with model numbers beginning with 15, done by . The current iMac line is made up of models 14,1 and 14,2.Rumors have suggested that new iMac models at WWDC next week after shipping estimates for the machine began to slip on the Apple Online Store.