Well, I've had the P21S on my car for the past 2 weeks and like most people have been telling me the shine does get better after a couple of days. It's actually quite dramatic. I have a theory about this: The heat from the sun is curing the wax and specifically the surface gets harder and glossier. If this is the case then a final buffing with an orbital or even a rotary with an MF bonnet would make the shine unbelievable. Has anyone tried this? I'm really itching to get myself some MF bonnets now.