The Stoa Consortium has a fine new blog-face, if that's the right way to describe it. Essentially, if you go direct to Stoa at www.stoa.org, its front-end is now a blog with its own RSS feed:
The Stoa Consortium
There are lots of things of interest on Stoa. One that I visit often is Diotima, Materials for the Study of Women and Gender in the Ancient World.