Other great resources to check out:
[GDC 2010] Christina Norman's talk on Mass Effect 2 Gameplay Design [slides].
[GDC 2010] Rob Galanakis' tech art talk on the object model pipeline in The Old Republic [slides].
[GDC 2010] Ben Cloward's talk on facial animation in The Old Republic.
[AGDC 2011] Sarah Jensen Schubert's talk on RPG math.