Here, I'll try to distill the useful things I've come up with and provide some quick and easy links.
Retribution Guides
Using that Mace: Lord Marrowgar
Using that Mace: Lady Deathwhisper
Using that Mace: Gunship Battle
Using that Mace: Deathbringer Saurfang
Retribution PvE Talents (as of 3.3.3)
Retribution Leveling: 1-10
Retribution Leveling: 11-20
Protection Guides
Avenger's Shield: The Lich King
Avenger's Shield: Heroic Lower Spire
