It's a pity you're not in Melbourne.........for a couple of reasons, one of which is if you were, you could borrow mine, the other reason is well... You're in Qld, and for that you have my condolences!
There is a bloke on Gumtree selling a heap of MGF hydragas stuff, He'll sell seperate items.......read down and you'll see he has a pump for $50
MGF Hydragas suspension