Deus Ex: Human Revolution's first piece of DLC is out right now on PSN and Xbox Live.
The Missing Link is available for 1200 Microsoft Points on Xbox Live Marketplace, and £8.99 for OnLive and Steam, and offers a four to six hour chunk of gameplay. The PSN version will be available from tomorrow for £8.99.
The mission takes place on a freighter on which Adam Jensen has been brought to and tortured. you'll have to rely solely on basic capabilities as all augmentations have been disabled, and Jensen discovers new characters and new elements to the conspiracy.
A launch trailer can be watched below.