Icecrown Citadel 25 Man [normal] - All cleared.
The Lich King: 05/04/10

Icecrown Citadel 25 [HEROIC]
Lord Marrowgar: Killed. 07/04/10.
Lady Deathwhisper: 26/04/10
Gunship Battle: Killed 07/04/10
Deathbringer Saurfang: 08/04/10
Rotface: 08/04/10
Festergut: 12/04/10
Professor Putricide: 27/05/10
The Blood Princes: 19/04/10
Blood Queen Lana'thel: 19/04/10
Valithria Dreamwalker: 09/04/10
Sindragosa: 03/06/10
The Lich King:

ICC 10 Man [normal]
All cleared.

ICC 10 man [HEROIC]
Lord Marrowgar: Killed
Lady Deathwhisper: Killed
Gunship Battle: Killed
Deathbringer Saurfang: Killed
Rotface: Killed
Festergut: Killed
Professor Putricide: Killed
The Blood Princes: Killed
Blood Queen Lana'thel: Killed
Valithria Dreamwalker: Killed
Sindragosa: Killed
The Lich King:

Omen vs Lich King 10 man Movie:
Part 1:

watch the video on Youtube

Part 2:

watch the video on Youtube

Crusaders' Coliseum:
Farmed in both 10 + 25 man versions.

Heroic 25 man:
Northrend Beasts: Farmed
Lord Jaraxxus: Farmed
Faction Champions: Farmed
Twin Val'kyr: Farmed

Heroic 10 man:
All bosses killed.
Tribute to Insanity (10 man) completed.

Ulduar:
Farmed on 25 man and 10 man.
25 man - Glory of the Ulduar Raider / Conqueror of Ulduar completed.
25 & 10 man - Algalon defeated.

Obsidian Sanctuary:
All achievements completed including Sarth + 3 Drakes killed on both 25 man and 10 man.

Eye of Eternity:
Farmed 10 & 25 man.
All achievements completed.

Naxxramas:
Farmed on 25 man & 10 man.
All achievements completed.