So far, I've found someone who can get me a server power supply (Dell PowerEdge 750w)
With a bit of research, I found this and found out I can get this down in Australia with the 4x PCIe cables.
http://www.gekkoscience.com/products/D750_supply_breakout_board.htmlI have experience with messing around with electronic so this isn't too new to me to put together, but I'm wondering if a 750w server power supply will be enough at least 2 Antminer S3s. If it is I can get this all together for around 80 bucks which would be so much better than spending ~$150 and still be skimping on the power