Neuance or Z Slab shelf for Zoethecus rack???

OK Mr. Lyon thanks I'll try again - perhaps I entered my email address incorrectly as nothing was rcv'd here; thanks for your repeat efforts that's appreciated. I'll try to use the Audiogon remailer this time. I left my order detail info. @home - my email is @work. best rgds, bb

Does Ken Lyon of Neuance typically take awhile to respond? Realizing that he's presently heavily backordered that might explain the non-response to my weeks-old email inquiry, but several days ago I tried inquiring again via his website order-page & have still not received any acknowledgenment. Meanwhile the folks at Mapleshade have already processed & delivered my shelf order within the same timeframe. Perhaps some form of motivation (Neuance bribery) might help? I'd phone or write to Neuance but there's no contact information on their website.
Would some kind soul here please email me with the Neuance phone# & mailing address contact information? I'd really appreciate any helpful hints.

thanks Richard I'll try via that approach.
Ken Lyon I've sent additional inquiries through your website & through the Audiogon remailer on Friday evening, but still I have no response. Frustrating. So far the Mapleshade shelf hasn't solved all of my problems, but it is an improvement. I'm still experimenting with it.

I didn’t realize that this is not a “one size fits all” situation so I’ll have to think this through, but I may just order one shelf of each weight range, then additional shelves as required.
Your lengthy explanation of the model evolution is also much appreciated; that considerably clears up my confusion.
If I tried a high weight range shelf under a lighter weight component, can you guess in what way the compromise would be?

Thanks very much for the explanations; Mr. Lyon this is getting more interesting all the time. So there are actually four different model weight ranges: can you tell us what those four ranges are? That would affect my decisions regarding weight spec. vs. which shelf to use on which component, although the 10 to 40 pound "most common" range would certainly cover the better part of most of them. I might as well pick the optimum shelf for each source, as closely as possible.