However, I think if you read through some of the threads here, you will find a LOT of info related to the questions you have asked. A lot of thread provide links to articles about Skyrim which provide tantalizing hints about dungeon exploration. There are screen shots on the elderscrolls site itself, and have been linked to from Bethblog etc. In other words, there is a lot of information about Skyrim.
2 - I hope, but no to the point where I have to reload about 6943287 times before I even land a proper hit on him let alone kill the bloody thing.
3 - In about a month or so, I think.
4 - I want them to be interesting. Complication =/= Better. Still, I prefer overcomplicated quests instead of over oversimplified ones, but that's just me.