I recently met with Stephen Hamil who heads up development for the UK National Building Specification team and he kindly agreed to put together a video outlining the workflow between Revit and the NBS tools.
You can view the video here:
Interesting to note there is now also a BIM hub on the NBS website:
If you are an NBS user I would also recommend following Stephen's blog:

Thanks for the post Simon.
Maybe readers of your blog may be interested in some articles written by the NBS Technical Team on sustainability too?
Around 50 articles below...
http://www.thenbs.com/topics/Environment/articles/
Stephen
Posted by: Constructioncode.blogspot.com | Thursday, 11 November 2010 at 09:55 PM