Noesis Interactive's "Source Choreography & In-Game Cinematics" video tutorial has been released on design3.
"Explore Valveās dynamic Face Poser toolset to develop choreographed NPC sequences, including custom dialog, facial animation and blended gestures - each containing multiple actors, conditionals, and events. Various sequences are then connected and additional interactivity can be integrated via the powerful input/output response system in Hammer for endless possibilities."
link is broken.
here: Design3.com