PBS
Pbs Frontline: Sa Ts vs Iq Tests
This site is run by Frontline, and provides a nice organized site created after an episode aired about SAT testing and what it really means. Many of the controversies over intelligence testing are talked about here.
Other
Alley dog.com: Intelligence
This site traces the historical development of intelligence tests and gives profiles of the different IQ tests that have been developed throughout time.
Other
Characteristics and Behaviors of the Gifted
This site has a large amount of information on the behavior of gifted individuals. Different sections include: Identifying the Gifted, recognizing Characteristics of Gifted Children, Learning Characteristics, Creative Characteristics,...