The other thing I want to ask about is as a result of having watched the system operate in Australia, where they have a single transferable vote system for their senate. This has produced a highly partisan upper chamber, but that hasn't been the case in some of the Australian states, which also use the single transferable vote.
What seems to drive it in the upper house in Australia to be highly partisan is that effectively most people simply tick off for one of the parties. There's a requirement that you have to vote for every single candidate, rank them in order, or else your ballot is declared invalid, or you have the option of simply saying you vote for the labour party list, the national party list, and so on. They call it above-the-line voting.
Is anything like that contemplated here?