Resources:

1. GenerativeComponents V8i Essentials - the guide
2. Bentley e-seminars - watch, Case Studies - website
3. Design Patterns for Parametric Modeling - website
4. Elements of Parametric Design - the book
5. Rob Woodbury's colloquium presentation, October 6 2010, Elements of Parametric Design
6. Generative_Components_Space - tutorials
7. Some more links - pdf document