Days off.
For those still undecided.
Keep in mind that JetStar int. is in part replacing the Qantas low cost Asian carrier that was based in Singapore.
Take a close look at the Qf route network and the frequency of ops around Asia then factor the days of work versus days off. You will definately, spend more time away from home than at home. If they use the days off away from home clause then it could be get nasty. Even Qf is bad enough, jetstar will be worse, unless they use the 330 on domestic routes as well.
Goodluck with it guys, hope it works out for you.