@gakerty The Delos ( like all newer Lyra’s with the new angle technology) will sound bright and fatiguing in the treble if the set up is not 100% spot on. This is why we hear of folks leaving the Lyra line and naysaying their experience. IME, the Lyra’s are the most complex to set up, because loading also needs to be considered and will again off-set the performance if it is wrong. While i respect what JCarr has done with the designs, I would surmise that the precision required in set up has led a number of owners away from his brand.
The Koetsu's ( at least the one's i have heard) are not as resolving as the Lyra's, but they are very nice if you want a cartridge for the long term and just want their midrange beauty. I have NOT heard the very top models like the Coralstone, but I suspect they would have a family resemblance...like the Tiger Eye, which i have heard.
The new Etna Lambda, if in budget, would be a big step up over the LPS MR, again IME.