I am really interested in the Ryan ZTS aerator. I really like the fact you can set your depth and adjust the down pressure up without having to worry about hitting softer ground and going too deep. The machine felt comfortable and had a suspension platform. Also like the self tensioning chains. I'm currently running the Exmark 30" ride on so that is what I am comparing it to. I have not seen the Turfco XT8 yet and I'm curious what others think about the Ryan and the Turfco compared to the Exmark.