I've been through this recently for SPU Spirit and SPU Royal and tried a few SUT's at various price points.
I found the Denon AU300LC resonablly well balanced but loses a lot of detail, the Ortofon Verto played the age old trick of being overly bright in an attempt to sound detailed. in fact I tried the Verto out with a wide variety of carts and came to the same conclusion every time. I settled on a Phase Tech T1 which is astonishingly good. I also tried a friends Bobs devices SUT and it was also excellent but didn't directly compare with the Phase Tech.
I found the Denon AU300LC resonablly well balanced but loses a lot of detail, the Ortofon Verto played the age old trick of being overly bright in an attempt to sound detailed. in fact I tried the Verto out with a wide variety of carts and came to the same conclusion every time. I settled on a Phase Tech T1 which is astonishingly good. I also tried a friends Bobs devices SUT and it was also excellent but didn't directly compare with the Phase Tech.