It's really hard to compare DKS with Dragon Age since Dragon Age is more of a strategic micro-management game like Baldur's Gate.
I didn't play it that much because I prefer action RPGs.
DAO is probably a bit deeper of an experience than Div II. Races are more prominently featured, you have a party, etc...
Div II makes up for it in its personality, and a few gameplay gimmicks.
You can order assistants to gather stuff for you, train you, or assemble Frankenstein-like creatures you can then summon in combat. It's not a party in the usual RPG sense but it's interesting.
With Oblivion, the comparison is a bit easier.
Oblivion is huge and more open, the combat however is not a whole lot of fun.
Div II's hack and slash gameplay feels way more dynamic.
Oblivion had a morality system which was both a blessing and a curse. It offered a deeper experience, but the good/evil system was riddled with incoherences that made the game infuriating and ridiculous at times.
Div. II simply does not have a morality system. You can loot pretty much anyone's place at will and they never say anything except for a select few scripted situations, which isn't terribly realistic. But it's also less of an annoyance than the infuriating reputation system in Oblivion.
I guess it could be justified from a narration standpoint by the fact that you belong to an elite army division, so townspeople tend to be intimidated or revere you.
Div. II is an RPG with a palpable action-adventure feel and an overall linear story, that focuses on good questing and memorable settings.
Exploration however is still a must to unravel sidequests for levelling purposes.
On top of that, some of these sidequests tend to intertwine pretty nicely, which allows the narrative to keep you interested even while you're not on the main quest.
The game also features some mild puzzle elements. They can mean a welcome change of pace, although sometimes they don't feel fully realized.
As for TW2, it releases in a few days, so far only German tests exist and they are excellent but Germany is a big market for this type of games and it weighs on reviews. German reviews tend to be rather lenient with such products and international reception often finds more faults.
I hope I'll be able to try it and give some feedback if this thread is still alive.
