Here are some "Best Practice Guides"....
However, it may be more useful to discuss some details about your specific needs and setup.
In regard to ZPM specifically, one important thing to point out is that ZCM 20.3 is expected to ship in about 2 months. It will have a MAJOR upgrade to ZPM and will be one of the core upgrades for the new version. Anyone using ZPM will definitely want to plan on upgrading, though I would definitely setup 20.3 in a lab since ZPM will be different enough that it would be wise to see it in a lab prior to upgrading.
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