There's a new patch headed to the beta servers, and MMO-Champion has datamined the following title rewards for raid achievements in Cataclysm:
Heroic: Nefarian -- Defeat Nefarian in Blackwing Descent on heroic difficulty. Title: Blackwing's
Bane Heroic: Sinestra -- Defeat Sinestra in the Bastion of Twilight on heroic difficulty.
Title: Dragonslayer Heroic: Al'Akir -- Defeat Al'Akir in the Throne of the Four Winds on heroic difficulty.
Title: Of the Four Winds Defender of a Shattered World -- Complete the raids and heroic dungeons listed below. Title: Defender of a Shattered World

FFXIV Power Level                                       FFXIV Gil                                       Buy FFXIV Gil