The Current Social Science Research Reports (CSSRR-DISC), which I am currently subscribed to, has a new weblog:
http://www.disc.wisc.edu/info/
The Reports contain the latest publications in the field of economics and has helped keep me updated about the latest economics research. It is provided by Jack Solock of the Data & Information Services Center of the Center for Demography of Health and Agin of the University of Wisconsin System.
All the Reports can be accessed through the weblog. Better subscribe to the Reports too.