Aggro Icons: Hated them at first, turned them off, never looked back.

Spell-effects resize: Still the same ugly spell animations, now just more in your face.

Mob-Resize: Helps you to appreciate the detail on the smaller mobs. Bigger mobs are just ridiculous now.

Targetting: Still don't know how the hell it works, but i seem to be able to click through my name now which helps me from not highlighting myself 90% of the time.

New Quests: Some of them are quite cool, such as the one where you have to track Amaalja. Also it's good to see SE kept the semi-instance style of play where you can still see players in their semi-instances. They aren't spectacular, but they give you something to do if you're bored.

Company Quests: Can't remember what I did at all... so maybe not such a good sign.

New NMs: Fun mid level content. No issues. Cactuar Jack is a good challenge if you are duoing.