Moral Choices in RPGs is not 'Roleplaying'.

[tashiro]

Dark Side 'Cause It Looks Cool:  The Failings of Moral Choices in Games

I have to agree pretty much here.  I've tried a bit of Dragon Age (lost interest rapidly though), and the choices made didn't seem to have a lot of impact except on the 'we like you' indicator for the NPCs in my party.