Check out the NC company Latitude trailers who build one like that in the US. The owner Sean is old military guy who was stationed in Australia and love them so much he builds them here in the US.
They are expensive, but not as bad as it looks.
$137 Australian is $98 US dollars.
Course we have to pay to get it here too . . . plus import duties . . . plus the import company fees . . . plus getting it home from the port . . .