Trying to learn how these things work :o - I'm still setting up for the future, and the following has been suggested:
PPOR - Bank 1 - 80% LVR, IO
IP1 - Bank 2 - 90% LVR with LMI, <$500,000, IO
IP2 - Bank 3 - 90% LVR with LMI, <$500,000, IO
and in the future, to go:
IP3...