LOS ANGELES--Once again, the Electronic Entertainment Expo has descended upon the Los Angeles Convention Center. The sprawling building's several-block-long exterior is now festooned with banners for Sony's PlayStation brand and such games as Splinter Cell: Conviction and Brutal Legend.

　　The biggest ad by far is for Assassin's Creed 2, stretching almost the entire length of the LACC's front:

　　Inside, Sony not-so-subtly touted the old PSP--not the PSP Go--with some Kratos-brawny arms tattooed with the PlayStation family's emblematic square-circle-triangle-X button motif. Sackboy is also on hand inside a PSP, teasing Little Big Planet's imminent arrival on the portable:

　　The Concourse Level was invaded by banners for Activision and Infinity Ward's Modern Warfare 2, due out on November 10:

　　The first thing that attendees will see when they walk into the LACC West Hall doors are two Bethesda games, Rogue Warrior and Wet:

　　In the South Hall, Electronic Arts is touting Mass Effect 2, Battlefield: Bad Company 2, and the three-way reboot of the Need for Speed Franchise:

　　Last but not least, Square Enix's Final Fantasy XIII loomed large over the South Hall entrance, its distant 2010 launch date taunting impatient JRPG fans: