Dungeon Set 1 is the set of gear that can be gathered in level 60 non-raid instances.
Druid: Wildheart Raiment
Hunter: Beaststalker Armor
Mage: Magister's Regalia
Paladin: Lightforge Armor
Priest: Vestments of the Devout
Rogue: Shadowcraft Armor
Shaman: The Elements
Warlock: Dreadmist Raiment
Warrior: Battlegear of Valor