Below is a link to a report done (by the ACCC) during the Howard governments reign and 3 months prior to Labor coming to power in 2007.
While some of the assumptions are out dated, it is interesting to see a report done prior to all the political and vested interest fighting we have endured over the last 8 to 9 years.
Comparative Costs for Fibre to
the Node and Fibre to the Home
Rollouts in Australia
Final Report to ACCC
10 August 2007