Koetsu cartridges - what arms work?

So far the best tonearm (especially, but not only for Koetsu)
is the ViV Rigid Float.

In my system this beast has beaten all conventional tonearms
so far including classic 12", DaVinci, Graham, Reed and others.

Hi lewm,

I have the 9"-version in my system. Due to the underhang the 
"mounting distance" is with 273mm quite long and it looks not
really short.

Fascinating is that some friends and me have played around
with a huge variety of different cartridges (weight, quality and
compliance) and there was not one cartridge playing not better
than in other high end tonearms.
(Ortofon 2M, Ortofon Vero, Ortofon Cadenza Black, Ortofon SPU,
ZYX 4D Atmos, DS Audio DS-W1, DS Audio DS-002, Koetsu
Rosewood and others).

The arm has no antiskating function. But this is not necessary,
because the maximum skating force is exactly so strong than
with a conventional arm and perfect antiskating adjusted.
(According to the advice of Mr. Lederman)

@lewm 
The skating force changes the direction using the ViV Rigid Float.

At the "lead-in groove" (the start of an LP) there is a very weak
force to the inside.
Most of the part of an LP there is no noticable force (even with a
flat / non-grooved platter no movement).
At the "lead-out groove" (the end of an LP) there is a very weak
force towards the outside.

In average the skating force is negligible compared to a "normal"
tonearm.