Last I heard was that all bus pilots would fly 330 with CCQ to either 340 or 320...Im not sure about flying all 3 types.
The 330/320 option would certainly give you shorter flights but as for more time at home that will depend how the 320 flying is set up.
As for the bidding short 330 flights, I would be suprised if that option is available as guys seem to be working pretty hard....
good Luck