The sales are coming in thick and fast on PSN and Xbox Live these days and now Square Enix are offering half off a wide selection of games and DLC on Xbox Live.
Games like Deus Ex: Human Revolution, Tomb Raider: Underworld, Kane & Lynch 2: Dog Days, Dungeon Siege III, Sleeping Dogs and Mini Ninjas are available for £8.99. Xbox Live Arcade titles like Lara Croft and the Guardian of Light (now 600 points) and All Zombies Must Die! (now 400 points) are also available on the cheap.
Plenty of DLC varying from Deus Ex: Human Revolution's Missing Link to various micro packs for Sleeping Dogs are also half price.
The full list can be seen here.