I would jump on the bandwagon of the local side but wear my Force jersey if they ever came to town.
I understand the frustration toward certain Kiwis in the Force's original incarnation but these were the kiwis who moved here with the "im just here for the money then moving back" attitude (heehee all FIFOs famous last words). I hold no grudge for em sticking by their team/s. There is now the Kiwis who do call Perth home and their next generation growing up here.
If you went to games this year either exhibition or NRC you will see the Kiwis are here. Still AB supporters but who wouldnt be. Many I know have finally even brought jerseys/shirts etc but still have their teams. Like when we played the Crusaders i noticed a few colour changes from the week before and after. Good on em for being loyal and for supporting local.
Look forwards not backwards we will get there