Though I don't have a cleaning machine, I usually use the Premier LP cleaner and dry brush method,Last stylus cleaner and Zerostat before each play. I found the Zerodust doesn't work all that well. More offensive records get hand cleaned with Record Doctor fluids and brushes.
Re: ZYX, I have read here:
http://www.high-endaudio.com/RC-Cartridges.html
how good these are so maybe I will hold out for one.
Thanks.