Only noteworthy movement I am aware of is Eva Air operating a few A332 charters into SYD over the June/July period.
BR311 Arriving from Taipei at
9:50am with
BR312 departing for Taipei at
10pm. First flight is due in 28th June 2012 & the last flight due to depart on 16th July 2012.
EDIT: Royal Jet 737BBJ, A6-DAS due in tomorrow morning at 6am from SIN as "ROJ04"
(
http://flightaware.com/live/flight/ROJ04)