My prediction:

1) THM Magic 2 = Stygian Spikes
2) MNK will start tanking because Fire Stance + Kick Attacks is too much DoT not to
3) MNK will never run out of MP
4) MNK has the best WS combo because the bonus is flat increased damage for each step
5) MNK becomes top tier tank/DD, just like Abyssea
6) Massive QQ
7) Hilarity Ensues