not that hardcore (although I have to confess the New Vegas hardcore mode intrigues me, I'm gonna switch it on as soon as I install the game, I don't care if it's bugged and spoils my fun, it's just something I wanted in a RPG for a long time now).
anyway, I want a difficult game without companions and without endless dungeons. something like Morrowind but harder and with more dialogues, more alternative ways of solving problems, completing quests and missions.
that snippet of their engine they showed in the first video tells us the game will probably give a lot of options when tackling it's challenges. then again I didn't like the sequence in the beginning when you have to get out of the cell. it's like the designers try to rub your face in their scripts, "you can free yourself right now but you better wait for them to come to you unarmed, maybe try to provoke 'em and, oh, look there's two options available: free yourself and provoke". I'm afraid this is what the whole game will be like: sure, you have options, but there's always this one which you should pick because that's how we designed it to be handled.