Has anyone heard the Soundsmith cartridges?


There's been a lit of talk about the hand made Soundsmith cartridges. Is it truth or hype? Has anyone listen to them yet and how do they compare to other well known brands?
They say that the Soundsmith 103R-Ruby OC/CL ($729) is as good as a $3000 cartridge. Whats the scoop?
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How do Soundsmith's cartridges sound vs Dynavector cartridges? Are the SS neutral, bright, warm???
I have a Zephyr Mk II and a Paua. They are really outstanding cartridges. And, Soundsmith (Peter et al) provide top notch customer service.  I have not heard a Dynavector, so cannot compare.