5 cartridges - Cello, vdH, Benz, Zu, Hana - what stays and what goes?

I would keep 

1. van den Hul Grasshopper II. Recently retipped by Sound-smith.
2. Cello Chorale.

Learn how to mount a cartridge for yourself and keep them all until you have had ample time to evaluate each one in your particular system.  At that point, you may want to sell one or two, but the decision will be wholly yours. Or maybe instead of ditching a cartridge or two, you ought to consider mounting a second tonearm, if your turntable permits.

Learn how to mount a cartridge for yourself and keep them all until you have had ample time to evaluate each one in your particular system. At that point, you may want to sell one or two, but the decision will be wholly yours.
THIS!!
Mounting and alignment are nowhere near the fearful chore people make it out to be. The first one will take a while as you double and triple and quadruple check everything. But you've got 5! Long before you get to the 5th you will be like the Red Bull F1 team. Okay maybe not 1.8 seconds but under an hour for sure. 

Just in case you don't know, one of the hardest most frustrating things about analog is not being able to hear first hand the difference between Benz, VdH, Hana, etc. I would give my eye teeth for such a chance. This is not a chore. This is an opportunity. Do not pass it by!

Thank you.  I have an Oracle Delphi with Eminent Technology arm.  Actually two tables and arms of the same (Oracle Delphi 1 and 2 and ET-2 arms). Both were recently completely overhauled.to the bone.  So I could run them into my pre-amp.  However, it only has one input for phono.  Let me think about that option.   One challenge for me is the Grasshopper is in the process of coming back after retip and the Zu is new.  I hate to sell them as used after mounting and listening test, versus not touched in a tonearm.

Cello aka Miyabi Standard is exceptional cartridge and extremely rare, but your sample is refurbished with different cantilever (Ruby as you said). Who refurbished it for you?