2K Games has confirmed that a PlayStation 3 version of XCOM is in development. The game was previously only confirmed for release on Xbox 360 and PC.
2K Marin are the studio working on the title - they have previous experience working on the BioShock franchise. XCOM, an age-old brand, will be a shooter which focusses on an alien invasion.
The game will release on every platform during March of 2012. The 6th of March in North America to be specific. Europeans will then see the game a few days later on the 9th.