It's another one of those times where we wait and wait and then too much information comes out to process at once. The Famitsu PS3 DKΣ Report inevitably came out three days before it's release date and with it came a lot of new information. Thanks to 2chan and Neogaf's duckroll once again, as well as our forum member RpgN, we can tell you some of the details.

Final Fantasy XIII
- The Final Fantasy XIII demo will be released on a separate disc to Advent Children: Complete, meaning that us outside Japan can import it without having to worry about region coding. It will be the entire opening of the game which should be 90 minutes of playtime.
- There are three new screenshots (since the Shonen-Jump scans), all of which are in-game including a Helghast look-alike holding up Lightning.
- Final Fantasy XIII will return to the old Final Fantasy turn-based system. This means you will control each of every party members turns with no Gambit system like FFXII.
- The story is being written so each main character feels like a protagonist instead of a supporting character.

Final Fantasy Versus XIII
- The world based in Final Fantasy Versus XIII worships a Shinigami (death god) which is designed by Yoshitaka Amano. A painting of this god can be seen in the bulding where the Prince and Skirt Girl meet.
- Like Nomura keeps saying, the clothing and cars will probably look different by the time the game is finished.
- Apparently the morale of the team working on the game is really high, which is always good to know.
The scene shown in the scans is apparently when the Prince and Skirt girl first meet.
- We should expect the characters to change outfits throughout the game.
- The Prince's eye colour has been changed from Red to Blue.
- The names of the Prince and Skirt Girl will be revealed at this years Tokyo Game Show in October.

Final Fantasy Agito XIII
- The Agito team decided to move the game to Playstation Portable because they couldn't wait for mobile phone technology to become more advanced.
- The battle system will still use turn-based combat but will be more focused on action. The game will be using a more high-speed version of Crisis Core's ATB system.
- There will be multiple party members in this game.
Multiplayer was already confirmed when it was on mobile but now they have confirmed that 3 players can play together in Infrastructure mode.
- The Summon Odin can be seen in the Agito scan and the game will focus strongly around them. The summons are part of the character growth system and can also be controlled by players.

UPDATE: Some more details added thanks to Sabin.

Source: Neogaf