Spoiler warning: Don't read further unless you completed the game!
At some points in this game, I got the feeling it was too much of a standard-hollywood-story-movie that I couldn't affect.
For example when I tried to convince Arl Eamon that Alistair wasn't suitable to be king, I had no say in that matter. So I started to prepare for the worst: that I had to play through this whole game with the unbearable Alistair, taking in the King role in the end of the game.
So thanks, game makers, for giving me a last option: it was a bit amusing to see Alistair coming to the Landsmeet, wearing only his underwear, claiming that he really needed to take the crown in order to have justice done on Loghain (that I spared after the duel), and then only to know that he was to be executed instead...! I had almost given up on the chance that I could avoid Alistair as a king.... and... wow... that was really to turn the whole game around. Of course, it is MUCH more interesting to have the bad guy turn around to work for the good. If Alistair couldn't live with that... bad luck s*cker. ;-)
In the end, I think it was a pretty good game, although most of it felt like moving in an artifical scenery with no chance to interact with a pretty flat environment, and the smallest hill or piece of wood was of course blocking the way. So no wonderful nature scenes. I'd say that Oblivion or Risen would be mucher better game if you're really looking to enter into a new world where you can move around everywhere, enjoy the nature and wonderful graphics. The dungeon crawling was pretty good though, although even here, the graphical style was a bit flat and soul less. Anyway, good voice acting and a nice RPG-strategy game. The dialogs were not as good as in Baldurs Gate, but I think I'll buy the expansions anyway.
So thanks for a pretty good game, Bioware. Seems you have a lot of fans here. :-)