I'm also big in to Ethereum from both an investment and developer point of view. This stuff is crazy! If you have the knowledge and money to throw at mining, you can make some great money here. I wrote a getting started guide specifically for the Australian market here - most of the big players don't let Australian's withdraw funds, so I've listed a few --> http://ashleyknowles.net/2017/05/getting-started-with-ethereum-aussie-edition/
