Microsoft's listed those titles getting prices slashed on Xbox Live over this holiday weekend.
Headlining the names is The Elder Scrolls V: Skyrim DLC: Hearthfire, Dawnguard and Dragonborn are all half-price until April 2. All the episodes of The Walking Dead by Telltale Games also are reduced by 50%, and elsewhere Max Payne 3, L.A Noire and Resident Evil 6 see significant price reductions on their DLC packs.
On PS3, Sony's Spring Sale is also in full effect.