A few months ago, I reported that we were working on support materials for the new Web Log unit [PDF]. We took the unusual step of producing the teaching material as a wiki. The material is now available via Wikibooks.
Wikis appear to be well suited to this purpose. This technology offers the prospect of mass participation in curriculum development - rather than the traditional top-down approach to the production of teaching and learning material. So it will be interesting to see how this material evolves.
A NAB pack is in production and will be available in a couple of months. More information from Angela.