So... Anyone who wanna take a guess at the new fluff that will feature the new expensive units as they will hamfisted retcon'd into the fluff and end up being at the center of it all?
"Of all the twisted adorations brought forth from the Warp, few have earned a dread reputation of such scale as the mighty Yogurt cannon, and Khorne's port putty, sowing terror across a thousand, these mighty (and just one click away!) engines birthed by the foul powers beyond reality, have been the bane of many brave men, and almost a space marine, as their mighty gears grind hope into fear, and dreams into ash, whenever a daemonic host breaks into our reality is accompanied by these terrors of technology, the doom of the unfortunate host world is all but absolute."