Plenty of regionals offering E3's in the USA to Aussies.
I've just jumped ship from helicopters to the airlines here in the US with a regional flying Embraer 145 or 175. I've got a green card, but the recruiters asked me if I knew any other Aussies wanting to come over on an E3.
There are a few regionals here in the US that are wholly owned by mainline offering a guaranteed flow to mainline without even having to re-interview.
Food for thought for all the link FO's missing the boat in Australia.