There are many out there. There are not so many specifically looking at the BA role. I think you need to come here for the best BA related content.
You'll probably have to pick from sites oriented to developers, testers, and project managers.
Some sites that spring to mind are below. You can google tem to get the right links, and the search results might highlight some other related sites.
- Search Software Quality
- Gantthead
- agilemodeling
- techlinks
Craig Brown,
BetterProjects.net
Modern Analyst Core Team Member