Extra! Extra! Dirge of Cerberus! EXCLUSIVE NEWS!

Cait Sith is playable.
I know of two new characters a beefy bruiser and a young girl bound to a strange machine.
Has Metal Gear Solid-esque stealth missions
Strangely Vincent doesn't even need to be unlocked in Dirge of Cerberus HIS OWN GAME!

The basic story

As the surviving citizens continue to rebuild after the cataclysmic confrontation between Cloud's party, Sephiroth, and the titanic meteor. Reconstruction halts, however, when a group of renegade troops known as the "Deep Ground Soldiers" emerges from beneath the planet's surface to wreak havoc. FFVII's mysterious vampiric antihero, Vincent Valentine, rises to the occasion to face these strange new foes.

I feel I shouldn't have to tell you why this is stupid.