^ Don't pay attention to what she said. It's all extremely rare gear that you have to give your life up just to get.

Anything that boosts a MNK's primary stats (INT and STR) and gives attack power, crit attack power, etc is good.

Rainmaker's Tunic
Felt Khecks
Felt Trousers
Fingerless raptorskin gloves of slaying
Caligea
...You get the picture lol. Just if you use crafted gear, apply some materia. And the gear from the Grand Company's is really good for what it's worth and the extra stats you get. Plus the new GC weapons we will be getting next patch will be almost just as good as primal weapons.