Not quite sure what you mean sea breeze. QLD uses government operated helo's, but the EMS machines in Vic and SA are operated by private companies (CHC and Australian Helicopters respectively). I suppose you could say that VIC Pol is government operated, but even their machines are supplied by a private company (CHC).
I have my own veiws on which model I think is best (influenced by 14 years with CHC) but as the contracts are about to be announced I think this discussion is a bit late. I would say that hell will freeze over before the various EMS operators would go for government operated helo's.