When reading the information on these websites do not take them as the last word on the payout scheme. The fine detail has yet to be worked out, and some of what has been announced may be fine-tuned over the next few weeks. If anything appears wrong or harsh let me know.
BNZ who ask their customers to fill in a questionnaire to help them understand the impact of the package. BNZ are also offering a Christchurch Resilience Package for all owners of residential property inside the red zone, who are eligible for and take up the Crown Red Zone assistance packages.
IAG are apparently preparing comprehensive information to be released for their clients in a few days. IAG insurance is offered through Lantern, NZI and State.
So far the most useful insurance company information page is that by Tower, here.