supply - just aboot any import wrecker in australia.
Fit - well depends what your interpretation of "fit" is... I've seen some interesting interpretations let me tell you.
Sorry, but i really dont have any recomendations, other than just buy a 100kW 4AGE and turbo that instead. You'll be MUCH happier
why not have a go at it yourself?
cant think of any places of the top of my head.
maybe and a big maybe at that pm evosti, i know he is from that area, and is doing a engine swap for a friend, but that is a bigport to bigport swap so not that hard or time consuming in comparison to a gze convo.