I'm biased in favour of the BRL clubs, but I'm starting to really warm to having Perth, NZ 2 and Adelaide as the next three markets to enter the NRL. The more I learn about Perth the more convinced I am that they deserve a team ASAP. It's ridiculous that such a large and parochial market has been ignored by our game's administration for almost a quarter of a century.
Hopefully Redcliffe can develop a strong fanbase from Moreton Bay down through Moreton Bay and Logan. It won't be easy and will take some time, but with the right engagement it can be done. I've bought their supporter gear and will become a member when memberships go on sale in a couple of months.
They've f**ked their launch up so badly that it will probably take at least a generation (roughly 20 years) for them to build a strong fanbase, and unless it's pushed by outside socio-economic factors (like South's core audience moving west) they'll almost certainly never develop a significant fanbase outside of parts of Morton Bay, those with easy access to Suncorp/their home ground, and potentially parts of North Brisbane if they play their cards right. Their traditional model simply won't allow for that sort of city wide growth without alienating their core audience in Redcliffe and surrounding parts of Moreton Bay, which they, like all RL clubs, will be too timid to risk alienating.
They're almost certainly going to follow a similar path to the Titans (for different reasons and probably minus the money issues), where they'll be super popular for the first few seasons, then the novelty will wear off and they'll be reliant on on-field results to draw a crowd until either enough people have grown up supporting the club to build a reliable fanbase, or they have a golden period early in their history in the NRL where they build a dynasty and that success draws support (a la Storm or Raiders). Obviously the prior is the much more likely scenario.
Because of the way the Brisbane market has now been split chances are that Brisbane will have at least a third club long before the Dolphins are truly cemented in the market, and odds are that Brisbane will get their third long before Adelaide is even in the discussion, and potentially even before Perth get a real shot a license depending on politics at the ARLC, NRL, and broadcasters.
Then again, given the rate at which the NRL expands I don't think it's outside the realms of possibility that it could be 2040 before the NRL adds the 19th and 20th licenses, which would be almost 20 years after the Dolphins joined the NRL, so who knows.