Hartford Institute for Religion Research - I like this resource the best. It covers online articles, bibliographies and syllabi, sociologists of religion, associations and research resources. In the latter, I found research methodology sites.
YAHOO'S Sociology of Religion - There are a couple of sites that you will find interesting, especially those with full texts on the Sociology of Religion (auf Deutsch) and some related to Max Weber.
Religious Movements Page (from the University of Virginia) - This is an outstanding source for encyclopedic scope of different religions. The essays are long and contain links to other subjects.
Center for Studies of New Religions
H- AmRel - This is a discussion site.
Center on Religion and Democracy - Students will find the library useful as it has links to such source material as the Salem witch trials, legal documents and other reference works.
Anthropology of Religion - Covers various religions.
.Pew Forum on Religion and Culture Covers research news and discussion.
Association for the Sociology of Religion
Max Weber Texts and research
Religion and Spirituality