Hi Cameron, welcome to SCF.
I'm sure that link was posted here on the SCF on about the 27th August 2008.
Never-the-less, good to see people contributing.
+++ EDIT +++
I found the thread posted before.
Just to let you know that Demeter has now be renamed LiveEnergy Modeller and a new version is available for download on our website at: http://greenspacelive.com. LiveEnergy Modeller is currently available on an Alpha testing basis unti 31st October 2009. We would value any feedback suggestions etc.
I've also put more information in a SketchUcation post here: http://forums.sketchucation.com/viewtopic.php?f=80&t=21789.
Thanks,
Malcolm Murray