Mine was rebuilt last July by Precise Automatics, at Beeleigh Brisbane.
I know it's a long way away - but then I'm further away here in Cairns at 2000kms than you are in Sydney!!!
Neil Maxwell is a specialist, builds for race and drag cars, he made my box more heavy duty but still smooth to drive - in his words - "shift smooth when driving smooth, shift firm when driving hard" and he did just that. Very happy with the result, I has some broken bits inside my old tranny. Job cost $2500.
Stingraynut