Robin Good: If you are interested in new tools and technologies in the live video streaming space, you probably want to bookmark this German company, dedicated entirely to the development of professional software codecs: NanoCosmos.
Their newest product, nanoStream 3.0 contains many new features, a new SDK and Web Plugins for Windows and MacOS.
In particular, "the new multi-encoder streaming function allows parallel live encoding and streaming with multiple video formats and quality levels at the same time.
You can even record video in Full HD to H.264/MP4 or MPEG files, in different quality video streams."
Check their live video streaming solutions here: http://www.nanocosmos.de/v4/en/products/live_video_streaming.html
Here is a feature comparison with the Flash Media LE:
More info about the live video streaming browser plugin: http://www.nanocosmos.de/v4/en/products/nanoStream-web-plugin-live-video-encoder.html