I bought this complete DVD box of Space Ghost Coast to Coast in 2013, and am glad to have it now that the show has vanished from Max. It includes the rare vols 4 and 5, but is a Region 4 exclusive. I play it on a region-free 2008 Philips DVD player with thick component cables for a throwback feel.
@chrisd even for the pretty penny I paid for it at the time, it’s somehow less than a region 1 copy of vol. 5 alone haha. Same Aussie distributor has done region 4-exclusive boxes of some other Adult Swim series.
Here are the component and S/PDIF cables I had mentioned in the original post: 
