A comment about Klasse AIO. The cleaner is good, no doubt about that but I am told that only thing that goes on top is Klasse sealant, due to the chemistry of these both.
It was supposed to be a year long application for 3 to 4 coats, but mine didn't last all year. October application would be gone by March. Didn't feel like elbow grease was worth it. With DA polisher, it may be very good.