Chief Executive Officer of Jetstar Alan Joyce (R) gestures to the media as (L-R) Geoff Dixon, CEO of Qantas Airlines, actress and comedian Magda Szubanski and Premier of Victoria Steve Bracks listen on during the launch of the discount airline in Melbourne May 25, 2004. Jetstar, Qantas' new low-cost domestic venture, is the most serious challenge yet to Richard Branson's discount airline Virgin Blue, with passengers snapping up bargain tickets for as low as A$29 (US$20) on Jetstar flights along busy eastern seaboard routes, but analysts caution the carrier still has to tread carefully to avoid cannibalising Qantas' mainline market or embarking on an unsustainable price war. REUTERS/David Gray DG/FA