Advanced lighting and rendering

http://www.debevec.org ----------- HDRI and Caustics

http://www.hdrshop.com ----------- HDRI

http://www.3drender.com ----------- overall lighting and rendering

Tutorials and models

http://www.3dtotal.com

http://www.3dm3.com

http://www.3drender.com/archives/index.htm

Education

http://www.calarts.edu

http://www.artcenter.edu

http://www.risd.edu