Quote: "Image having bought the DLC for Classic, only to have to buy them again for Max.."
I assume if any of these packs were part of Classic but sold again under Max, it'd mean they were vastly enhanced to support the new tech and therefore justifiable. Like buying VHS -> DVD -> Bluray -> UHD.
But I don't know which packs were or weren't released previously.
PC SPECS: Windows 10 Professional 64-bit, Intel Core i7-4790K 4.00 GHz, 32 GB RAM, NVIDIA Geforce RTX-2070 Super GPU, SSD