As for unusual machines, there is an Olivetti M20 on
ebay as well.
This was the only PC that I know of that use the Z8000 Zilog chips.
The Commodore 900 ("Z-Machine") used the Z8K, and there are a couple others.
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Cameron Kaiser * Floodgap Systems *
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-- Conscience makes egotists of us all. -- Oscar Wilde ------------------------