The most recent issue of the Japanese print magazine Dorimaga had some details concerning Final Fantasy XIII. Tetsu Tsukamoto, who previously has worked on FFX-2 is doing the weapons design. The scenario and setting of the game is 80% finished. The game's is running on real PS3 hardware and there will be vehicles in the game and the team is considering using the Dual Shock 3's tilt sensor function for control.
Square Enix Blog: "How do you compose iconic songs that help define a legacy? We speak to legendary composer Masashi Hamauzu about his work on Final Fantasy X, Final Fantasy XIII, and Final Fantasy VII Remake, and how to make unforgettable music."
The black sheep of modern Final Fantasy shares the most DNA with 'Final Fantasy XVI’s successful design choices.