Kuzma Stabi Ref/Stogi Ref vs TW Acustic Raven One


I'd like to upgrade my Kuzma Stabi/Stogi TT. Stabi/Stogi Ref is an obvious choice. How about TW Raven One with Ortofon 309S? Has anybody compared? How much improvement would be a better arm (4Point, Graham)? Or a better TT (Raven AC, KuzmaXL) for three times the price? Thanks a lot.
townmenu954
One of my audiophile buddies owns a Raven AC with Triplanar, Airline and a Kuzma Reference with Airline. 90% of his time he listens to the Kuzma. He says, the difference is huge.
As a dealer I have the Stogi Reference and 4POINT tonearms here, as well as the Feickert turntable which can also be fitted with those arms. The Stogi Reference is an outstanding arm, but the 4POINT in a different league altogether. Breathtaking.