dude
if you want the absolutely the best tuner in australia, go and see Joe Beninca at Beninca Motorsports in Surrey Hills melb...He was involved with the design of the ecu, introduced it to Group A racing here in aus and to europe...he is a mech eng. has worked on F1 engines in the past, and there is no better person to tune your autronic in aus...
http://www.beninca.com.au/