Well lets see.

Locked extreme's to PF
New lands
three jobs
level cap
New hunts
Alexander]
Knights of the round
I am not counting tomes because armor and that should not be part of a expansion, can't play the game without it.

and Future updates.

All finished with in a week or two to a person who just rushes content.

Should take breaks wait for new stuff to be added if you don't have much to do.