http://www.mmo-champion.com/threads/1388180-Discussion-with-Lead-System-Designer-Kris-Zierhut
"-He agrees that warlocks are too OP (Affliction specifically ) and their skillcap is WAY too high with dot snapshotting. He wants to rip up the warlock changes (with the basic idea intact - i.e. the different secondary resources) and rebuild the class."