Square Enix has released the playable demo for LIGHTNING RETURNS: FINAL FANTASY XIII for Xbox 360 and Playstation 3. You can find the links to each respective console version below.
PS3 owners who download the PSN demo get the Utsusemi Garb DLC which includes the Heavenly Fan weapon and Kaminari shield item. The DLC pack is included with the demo and will be unlocked when the full game releases February 11, 2014.
Xbox 360 demo: http://sqex.to/lrffxiii_xbox360demo
Playstation 3 demo: http://sqex.to/lrffxiii_ps3demo
Xbox Live Silver members will be able to download the demo a week later on January 28. Pre-order the Collectors Edition through the Square-Enix Online Store for 89.99 USD.
