Originally Posted by JDR13 
The fact that you have to use the console to accomplish it is what kills that idea for me. I can't get over the feeling that I'm cheating if I have to use console commands to change the events/story in a game.
There's also a quest with Jowan (who was originally supposed to be able to be recruited as a companion) that can only be activated via the console.
http://dragonage.wikia.com/wiki/Jowan%27s_Intention
It's kind of a shame because that quest actually provides closure for his character. Seems a waste that they overlooked fixing it.