Here are links to some interesting University of California videos where they discuss the value of the SAT. It is thought that the University of California was hugely influential in the 2005 changes to the SAT. The effect was to convert the SAT “Achievement” Test to the SAT “Reasoning” Test.

Rethinking The SAT – Part 2
http://www.youtube.com/watch?v=ZK3PA85nKog

Rethinking The SAT – Part 3
http://www.youtube.com/watch?v=A0AiNwnfMCg

Rethinking The SAT – Part 4
http://www.youtube.com/watch?v=F5mhSZR77vo