Found Mike Bishays Twitter page, and it looks like he's been doing the sights round Oz, and it looks like his family are visiting him. A few nights in Sydney a couple of weeks ago and Melbourne this past week. He also mentions returning home in May.
I just think that as long as the team that qualifies is broadly similar to the team that plays in the WC, that's fine
Given the length of time between qualifiers and the actual tournament, I'm not too sure much can be done to ensure that. In an ideal world we'd have the best players turning out for every country at every opportunity, but the RL world is far from ideal. As it is, even those nations who rely heavily on heritage players outside of World Cups tend to replace many of them with an allegedly better standard of heritage player when the RLWC comes round.