Some of the new icons on the front page feature some icons that show what look like paladin armor, then seemingly confirmed when I noticed the icon names.
check these out. Do you think they're previews of the next tier? They're very draenei centric.
INV_Helm_Plate_RaidPaladin_O_01_1.jpg
INV_Shoulder_Plate_RaidPaladin_O_01_1.jpg
INV_Chest_Plate_RaidPaladin_O_01_1.jpg
INV_Glove_Plate_RaidPaladin_O_01_1.jpg
INV_Pant_Plate_RaidPaladin_O_01_1.jpg
INV_Belt_Plate_RaidPaladin_O_01_1.jpg
INV_Boot_Plate_RaidPaladin_O_01_1.jpg