I recently attended a course from CGMA. It was basically processing a character from start to finish. IT was a lot of fun and I learned a lot. Especially about my weak areas. Figured I'd post all of this up in one shot.
The character concept was of the rogue archetype in a sci-fi settings. She uses poisons to take down enemies. One arm is meant to be mechanical and has compartments that can be used to mix various poisons.