My take on FFXIII's battle system was that it is no longer about micro control, but about macro party strategy. On that note:
What would you think about having all six party members in battle as opposed to the current three? Obviously they would have to increase the limits of Paradigms you can have in your 'deck'. (I think 5 is significantly to low already). And ignore any hardware limitations
Would this make battle more interesting, allowing more combinations and strategy? Or would it make things the same with more people spamming the sexta-disaster Paradigm? Should they institute some system that forces you to not stack classes?