I don't think modern SE have it in them to be honest, and even if they tried I have a hard time imagining it would be anywhere near the same type of experience that IX is.

Don't get me wrong, there are plenty of talented people at SE, but given the direction they seem to want to head in now with realism and whatnot, it just doesn't seem likely at this point. Perhaps if the development teams for FF in general (let alone numbered titles) consisted of more of the same people each time I would think differently.