The stakes are high when the world’s most elite counter-terrorism unit enters Las Vegas, a city more than 36.7 million men, women and children visit each year. "Sin City," the home of the Las Vegas Strip, flashy hotels, high-rolling casinos and world-famous celebrities, becomes the setting for a terrorist threat of global proportions. What happens when one of the world's most famous cities is held hostage by terrorists?
The PS3 version of Vegas will ship with 10 new Multiplayer maps as well as and two brand new modes exclusive for the PS3.
when will the psp version be avaliable?? 
