Did you ever think that perhaps some USA folks want to play on the server to get the advantage of playing Oceanic players with a higher ping? Just a thought, you can't assume the whole problem for that server lies solely in the hands of Aussies
Queues are going to happen till servers get thier final pop cap down the line and the game starts to stabilize a little once the devs are happy.
We are still in early access its not to late for your guild to perhaps change a server, i'm sure you understand you have alot more servers with people in your time zone than the aussies do in thier's. I'm sorry it was your server that the aussies rolled on, but it was always going to be one.
Have a great xmas and good new year