Not sure how they’re doing it but Rarewaves on ebay are doing the £80 deluxe set for just over £48. And they have at least a dozen copies.
The missing TV21 audios and some ads and other bits will be on the Super Space Theater Blu we’ll receive in the Summer.
I’m guessing that eventually Network will get Thunderbirds too. One can only imagine the package they’ll put together for that.