Best guess is CL-604 (cns mel per) & DHC8 (drw?)
Good guess. 4 x CL604 spread over Melbourne, Perth, and Cairns. No mention of Darwin or additional Dash 8s though so I guess they will use CW Dash 8s on an ad hoc basis where necessary.
I guess yr right's "hot tip" on Jetgo wasn't so hot after all.