Sorry you've had trouble with your WW-II Ken. While my experience has been excellent with these blades and with none of the issues you describe, it certainly in unacceptable for you to have those problems, IMHO. Do talk this over with Forrest. Perhaps you have a bad grind, but regardless, if you're not satisfied, they need to know.
For the record, I don't currently have a ZCI for my slider, yet I still get no tear-out on the cut line including with sheet goods. For cross cuts, the faces are nearly as smooth as those off the ChopMaster in the CMS.
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The most expensive tool is the one you buy "cheaply" and often...