Dear Melanco: Good that you improve what you have even that I don't know what dislike you on it.
As Nandric point out: don't you think that an up-grade on the source is mandatory? as you know music comes from the source and IMHO ( everything the same ) as better it is as better system quality performance level you have.
Hi Melanco, I think you are right in upgrading the deck first. For what its worth I ran a Koetsu Black in a Zeta on an Oracle yrs ago and the Zeta/Koetsu is a particularly synergistic match - sum of parts greater than the whole. This may give you a better result than upgrading the arm.
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