Phono cartridge Goldilocks

I recently sold my Koetsu RSP because it way way too dark in my system. I bought a Kleos SL as I had several recommendations that it provided great clarity and treble extension. Well it does, but perhaps too much for the system.

I am looking for something that fits between the two in terms of overall speed, clarity and upper mids-treble presentation. One person recommended My Sonic Labs.

The system is:

Schroder SQ reference arm on an SP-10/Steve Dobbins plinth table.
Coincident phono stage and Frankenstein 2 amps
Audio Kinesis Zephrin speakers

Budget is around $5k-$7k and a used cartridge is fine.