My bets on Singapore taking complete control with the next 24 months, appointing a new executive and running it to their protocol. SIA has been focusing recently on consolidating their businesses under the one group, plus SIAs apparent involvement around the while Virgin/Tiger thing indicates they already have more input than the other two. Scoot also interlines with Virgin, happend pretty much overnight.
Singapore Airlines
Virgin Australia
Scoot
Silkair
Tiger Airways