Here is a primer for setting up a Spec Miata for someone just starting out in racing. Before you laugh too much this is a highly competitive class...
The ideas are what is important not the numbers...
http://www.specmiata.com/download/sm_setup_guide_v2.pdf
For those who have never raced and laugh at Spec Miatas
http://www.youtube.com/watch?v=b7iUKaPlBl8