I'm hoping for something more UO-like, he is spot on in the interview when he talks about combatants and non-combatants in MMOs. UO was great for all the varied roleplayed characters, I remember people who did all manner of things which werent just about fighting. I tend to agree with him when he talks about how MMOs have just become about hack and slash, so many mmos now you either fight something or you do nothing.
Having said that, I'm not sure that something UO-like in that regard will succeed now as the playerbase has changed, to a degree those early MMOs had a userbase which evolved from people who played pen and paper RPGs and MUDs and were accustomed to not necessarily just fighting and playing different roles and fleshing out their characters. The MMO userbase now is largely a different breed, evolved from people who came from console gaming and other PC gaming genres, largely they arent interested in playing different roles and are only interested in how quickly they can run a dungeon, where their next epic item is coming from, how quickly they can get a group and kill something and what +stat is on item X. To a degree, the world they are in, their place in it, the history of their character and so forth are of no interest. Could probably cut down on a lot of development time really and scrap the world altogether, just have a city with npcs in it and portals to enter various dungeons and instanced battlegrounds, little need for the rest of the world. After all, thats pretty much what many MMOs end up becoming anyway, people stood around in a city in silence waiting for their next instance to teleport to.