I noticed this for sale today (control box and power supply only), that may suit somebody who doesn't want to wait in the queue:
https://www.gumtree.com.au/s-ad/talbot/miscellaneous-goods/metal-detector-qed/1145360302
https://www.gumtree.com.au/s-ad/talbot/miscellaneous-goods/metal-detector-qed/1145360302