Okay technically it's a "spiritual successor" in that they won't be able to use the same name, and it's unclear how closely they can hew to the original inanity mechanics given Nintendo's absurd patent, but there's gonna be a new Eternal Darkness guys! Holy crap!
Or at least there will be if it gets funded, so go make it happen! And while you're at it, go show Double Fine's Humble Bundle a little love too. Mantarok commands it!