Havea look at this offer.
Exclusive TV Offer
Note free as is $99, but comes witha free flight on top of the normal deal.
^ To be eligible for the free flight offer, you must apply for Virgin Flyer Credit Card and make a goods or services purchase with it by 31 March 2011. If eligible, the Primary Cardholder will receive a one-way Virgin Blue GO fare class flight to and from select destinations which do not include NT and WA. Flight must be booked through the Virgin Blue Guest Contact Centre within 3 months of first card spend. Redemption on new flight bookings only made at least 21 days in advance of travel. Free flight subject to availability and is not available on all routes. No Baggage allowance is included. Check out here for detailed terms and conditions.