Huhh? It discusses: Missouri v. Jenkins, a 1995 case, Hudson v. McMillan, a 1992 case, Adarand Constructors v. Pena, a 1995 case, United States v. Fordice, a 1992 ruling, and Chicago v. Morales. The site has links to 9 Thomas opinions.
What I found most offensive about this article is the way it focuses on racial issues. Thomas has developed a coherent and convincing jurisprudence, and race is really only a small part. For a better description of Thomas's accomplishments on the court, see: http://justicethomas.tripod.com/.