All of the above have been great comments. Dougdeacon is clearly our most knowledgable contributor on the ZYX cartridges. I've not heard one, I have heard from a few folks whose ears I trust (in additon Doug) that the ZYX Airy and above are really nice sounding cartridges that have a nice balance of strengths. I have a bias towards medium output cartridges in the 0.34mv range and above because I prefer all tube amplification in the phono stage and have never been happy with the transformer solution many find acceptable. I think there are versions of the ZYX available as medium output. If your interests push you up to the $4000 price range, I'm still very fond of the Magic Diamond cartridge Lloyd Walker sells, and Harry Weisfeld has been very complimentary of the Dynavector DRT XV-1s.
For a phono stage, I'd recommend you go directly to an Aesthetix Rhea. Used Rhea units are available in the $3000 range, and they are fully balanced from the first gain stage forward (so they will accept a standard RCA input from your turntable), and they have a 600 ohm balanced output impedance so they are a perfect match for your MP-1. The Rhea will be a nice complement to the rest of your system and will give you sonic performance in that same realm of performance. There have been several reviews of the Rhea in the various mags, here's a link to Robert Harley's comments in the TAS issue in which the Rhea and Calypso received "Editor's Choice" awards: http://www.theabsolutesound.com/newsletter/151/calypso.html
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For a phono stage, I'd recommend you go directly to an Aesthetix Rhea. Used Rhea units are available in the $3000 range, and they are fully balanced from the first gain stage forward (so they will accept a standard RCA input from your turntable), and they have a 600 ohm balanced output impedance so they are a perfect match for your MP-1. The Rhea will be a nice complement to the rest of your system and will give you sonic performance in that same realm of performance. There have been several reviews of the Rhea in the various mags, here's a link to Robert Harley's comments in the TAS issue in which the Rhea and Calypso received "Editor's Choice" awards: http://www.theabsolutesound.com/newsletter/151/calypso.html
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