First I'd like to see more NPC around town and not static one that juts stand there and don't move like statues. I wish they were more of them walking around, more guards in the city and that they salute you when you pass by them.
source : http://bit.ly/tIi79T


6. Will you implement walking/active/talking NPCs, by way of adding some life to the cities/world?

Yes, in 2.0, NPCs will be more involved in conversations and there will be increased animations all around. Our new engine will allow all NPCs to be active, but it may get irritating if NPCs move around too much, so only certain NPCs will be updated. We plan on adding more life to the world through these changes.


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About quest,

is look like you're talking about Dynamic Quest, which is very fun. Hope this idea can be much breeming, but then again, is suck because is not a repeatable quest and can't know the other ending if there is any.