EEWeb Forum seems to be a lively and growing space for electronics discussion on a range of topics from batteries to IC packaging, with LaTeX typesetting abilities!!
Linux Outlaws is a highly recommended oggcast (like a pod cast but more free) with a "laid back feel". Discussion is usually fairly focused on Linux, Open Source and Free (as in freedom) software.
The Amp Hour Electronics podcast. EEVBlog An Australian electronic engineer with opinions. Hack a Day a daily dose of awesome projects. Make blog Maker blog posts from the net.