Took me a while to get that post up, but here I am.

Anyway, this thing about changing the magic system, yeah?

Personally dig the way the powers are associated with a Vessel, so I'm fine with keeping it the way it is. Not exactly too sure on how you want to change to a more Vancian thing. By classic JRPG magic style, do you mean like, an MP-based system where casting something uses up some points, or like, you have a limited number of uses ala FF1? I'm not too clear on what would take the place of the current system, sorry.