Brisbane needs to have a total of 3 teams within the next 10-15 years to lock out our competitors. We're seeing now that having a 1 team town is terrible for the game when it is battling for the spoon. Having a total of 3 teams will make the odds of no Brisbane side making the finals unlikely.
Greater Brisbane is expanding rapidly and the infrastructure is failing to keep up with the population boom. Getting from the outskirts to Lang Park is not an easy feat and it will only get harder. At some stage Brisbane 2 will need to move to the southeast, Brisbane 3 should be based in Moreton Bay and Brisbane 4 in Ipswich. You guys don't want 3 or 4 Brissie teams, but in 30 or 40 years there will be 3 or 4 teams up here and the population will justify it, if it doesn't already.
I reckon Manly Warringah should relocate to Gosford. There's a great stadium there and Brookvale is a shithole. Central Coast Sea Eagles.
NZ2 and Adelaide will never happen. There's only 1 city in NZ that has a metropolitan area of over 1,000,000 and it already has a team. Its average attendance suggests it isn't big enough to sustain 2 clubs and no where else in NZ can do it. Ipswich, Logan and Moreton Bay can do it as RL is the number 1 game in Queensland. In NZ it is RU first and daylight second.
There is no interest for a team in Adelaide from the local business community or society in general.