I don't know the area at all, but I'd suggest that in an area with 180,000 people and a very strong Rugby League history, we'd be better off not looking at potential support amongst the hardcore 2,500 Haven/Town fans. Rather we (or any new club) should be concentrating on the 177,500 other people who live there. The current hardcore will either buy in or not, but it's the others that will make or break any new venture.
The response to the RLWC games staged there perhaps gives us a hint as to what that response might be.
The 'hard core' would fall in line once they are in the minority. . After all they are fans of tgg