As I have read in the blog there will likely be the following classes:
Barbarians, Bards, Clerics, Druids, Fighters, Monks, Paladins, Rangers, Rogues, Sorcerers, Wizards
But I would like to see additional important classes too in the game which are not focused on combat all the time like:
Carpenter, Blacksmith, Alchimist, Architect, Farmer, ...
My Reason:
In most MMORPGS you only have the option to become a combat class in some way. At least each class has the ability to do damage or heal.
But I think it is very unrealistic that every citizen in an RPG world is some kind of adventurer who wants to kill Monsters or Bandits all the time.
Some may now think: "Hey you dont have to fight and can be a pure crafter in PFO!"
Well this may be true, but I believe in the way it is envisioned now craftig will be only something players will do on the side. Which brings a big disadvantage to all pure crafters, because they cannot defend themselfes (by choice) and will be at a disadvantage while gathering ressources and so on. So in the end somebody who just crafts additionally to his combat role, will become a better crafter in the end than the pure crafter.
I think PFO can be a great soical MMORPG, especially with settlements and kingdoms. But if the focus will be to much on combat, I think it looses some of its capabilities.