G’day Gus, I’ve had a bit of a look at this but am no expert to say the least. Both a tyne with a culter and disc are great at going through stubbles to help incorporate. I found that a disc was great for soil/seed placement, minimum disturbance and quicker sowing speed but limited in our heavy clay soil conditions when too dry or too wet, unable to incorporate pre-emergent chemicals or deep band fertiliser. We went with a Tyne due being more flexible in our mixed cropping but would look at getting a disc machine in for specific crops. I would just consider your soil types, weed burden on farm and crops grown.
Hope this helps a little