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Deepblue, great choice! As others have said, the best is yet to come.
I noticed some discussion on the 30mm GSO. I have this EP. It performs much better on slower mirrors. So, if your scope was an SCT with an f ratio of f/10, it would be fine. It is also quite good at f/7.5, such as in my ED80. As you have a faster mirror (f/5??), you will find the image degrades a fair bit as you move to the edges. You will find as you go along that some gear works well on one scope, and not so well on another.
Your best bet before buying any more eyepieces is to go to some observing nights with other IIS'ers, and try some others to see how they go. The proof of the "pudding" is in the eating, as they say.
As for seeing nebulae from Sydney, patience my young Jedi Paduan. IN a couple of weeks when this blasted moon is dimmed to nothing, go for a hunt in Sagittarius. There you will find two of the most stupendous nebulae, even under Sydney light pollution: M8 (Lagoon) and M20 Triffid. Enjoy!
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