This seemed like a decent deal $69 + $3k spend (over 60 days) = 40k QFF (+ 3k QFF pts or $60 Jetstar dollars).
Copied and pasted some highlights of the deal below:
Benefits
40,000 Qantas Points or $400 Jetstar Travel Voucher (Minimum spend of $3000 in 60 days months after approval)
Earn 1 Qantas Point per $1 spent on eligible purchase or accrue 1 Jetstar Dollar per $50 spent on eligible purchases.
0% p.a. interest for 12 months on any flight booking of $600 or more at jetstar.com or via the Jetstar call centre made before 31 December 2015. Also, 0% p.a. interest for 6 months on flight bookings if you spend $300-$599 on any flight booking.
0% p.a. balance transfer for 12 months from card approval.
10% off selected Jetstar on-board (Food & Drink) purchases
Purchase flights on jetstar.com with the MasterCard and no Booking and Service Fee (normally $8.50 domestic up to $12.50 for international)
Apply for a Jetstar Platinum MasterCard before 30 November 2015. Read Terms & Conditions.
Must have a minimum taxable income of $30,000, minimum credit limit is $6,000. Doesn't seem to unreasonable in comparison to some other cards.