Di Martin did a great presentation of why the current Home Energy Rating System (Accurate etc) and the building industry that apply it needs a lot of work.
http://www.abc.net.au/radionational/programs/backgroundbriefing/2012-04-01/3917616
Aussie's are being led up the garden path with so many things that look good on paper but dont translate into real benefits. Likewise so many innovative designs cant get their results ratified and accepted because of the inadequate tools and a bureaucracy that doesnt have the money (or cant organise itself) to do it.