The following are Sociology Links I have reason to follow from time to time.  If you've other suggestions, email them to me!

Associations

The American Sociological Association
The Southern Sociological Association
The Population Association of America
The International Network for Social Network Analysis
Data & Analysis
Interuniversity Consortium for Political and Social Research (ICPSR)
The Odum Institutue
The National Longitudinal Survey of Adolescent Health
The US Census
The SAS homepage
Sociology Departments
Journals
The American Sociological Review
The American Journal of Sociology
Social Forces
Social Networks
Funding and Research Organizations
National Science Foundation
National Institutes of Health
Social Science Research Council
Robert Wood Johnson Foundation
Santa Fe Institute
Online Papers / Archives
JSTOR
Condensed Matter Pre-print Archives (Cond-Mat)
SFI Working Papers