I agree with you that SELinux is one of the great tools which sets Fedora apart
from other linux distributions.
As you may know, there is an ongoing effort to provide updated documentation
for SELinux. See http://fedoraproject.org/wiki/Docs/Drafts/SELinux/
You may want to contribute to the English version and/or translate it
Volunteer, Fedora Docs Project
*(courtesy of Google)