They weren't ever junky to be discontinued. The trims are the same as on any car supplied by the same trim manufacturers across dozens of brands. They are discontinued because that's pretty much the first thing discontinued on any car. and they only break when someone who has no idea what they are doing breaks them.
Have a dig through this Oz website. They stock a lot of new obsolete items
Chosse the three sausages at the top left then click on VE Commodore VE and Commodore Chev Pontiac GTO or just click shop by category depending what ebay page you get.
I should point out these guys have almost doubled their prices in the past month showing what the lack of new parts for VE/G8 is doing.
Holden dealers are clearing their stocks. Its like a Commodore never existed.