Thanks to Marty Lederman at SCOTUSblog, you can now easily find a link to all the jurisdictional statements, responses, and motions to affirm. Most of these links take you to the Campaign Legal Center, which has done an excellent job getting the documents posted quickly.  Here is the link to Marty's post:
http://www.goldsteinhowe.com/blog/archive/2003_06_01_SCOTUSblog.cfm#200380041