There's 100 hours worth of hand-crafted quests, and there will no longer be "go there kill X Nekkers" quests. I honestly have no idea how The Witcher 3's "20% bigger than Skyrim" world will not be boring. What the hell are they going to fill that world with with? Any quest you can think of to be approached with swords and spells has been done to death in Morrowind, Oblivion and Skyrim. I mean, when you list the quests of both Witcher games and the last 3 Elder Scrolls games, you're left with, not a whole lot.
We've scoured dungeons and crypts, done all kinds of fetch quests, killed tons of creatures for bounty, defended cities from attacks, exterminated beasts dwelling under people's homes, burglarized towns, found ale stashes for angry wives. What else is there?
So please list your ideas of how playing a Witcher game set in a massive world can still be fun and exciting. Basically what I'm talking about is side quests and world/AI interactions.
The only thing I can think of is the medieval atmosphere of Witcher 1 and 2 that will trump the atmosphere of other open world games such as Skyrim and Far Cry 3. The dirty cities, the beggars, kids running around, creepy alleyways, etc. Witcher 3's atmosphere and graphics and environments will basically deliver Skyrim quests in an alternative, better looking style, but that doesn't sound enough to cut it.
An interesting post that may answer my question somewhat:
According to the GI article, the monster hunting is going to involve more preparation activities.
So first you need to activate your "witcher senses" to do a little investigation, look for clues, which are either scattered around or you hear Geralt talking to himself about what he thinks might have happened. It is used to narrow down a list of potential culprits, so eventually you are left with only one monster being the cause of trouble.
Then, you search for books to know more about the monster, the potions you should use or his weak points. You might skip that and just go in "swords blazing", but you will be underpowered. Proper preparation might for example teach you some kind of special move, that will insta-kill the monster if executed properly during the fight.