Hi I applied for my defaco visa in November 2015 we have been together for 15 years but have not married, but plan too once Australia recognise it. Our visa is a 309/100. Everything is in, had my medical last week and just waiting for my police check certificate which is the final piece we need. All I can say is make sure you have your relationship financially documented as this is were we had some problems and I am applying from the UK.
Cheers