Thank all of you for the input. Of all the suggestions that are reasonable for this application, budget wise, the Benz Glider is a strong maybe. The Sumiko Starling is voiced differently enough from the Songbird that I'm not concerned about someone else's bad experiences with the Starling in a different system. To address the question of "Budget?", I suggest that the budget is already implied in the info I have provided about the tonearm, cartridges on hand and the cart under consideration. The Sumiko Songbird list price is $900.
Phono cartridge choice
Well, I think that I already have my mind made up but, I decided to see what the forum would say. The objective is to get a third cartridge to use in rotation on a Jelco SA-250S tonearm (removeable headshell) on a partially upgraded 1980s Linn LP12. The upgrades on the Linn are for increased rigidity (corian sub-chassis, corian arm board and a DIY 1/8" thick aluminum bottom plate. The two carts already on hand are a Hana SH MKII and a Nagaoka MP-200. The Hana will be on a Yamamoto Ebony Headshell. The MP-200 will be on a Jelco metal headshell. The third cart being considered is the Sumiko Songbird HO. It can go on either a Jelco or a Yamamoto ebony headshell (leaning toward the Yamamoto) The tuning of the system is much more for "musicality" than for analtical presentation. I want more ease and flow to the sound. Tube peamp, tube phono stage and tube amp.Thoughts? (sorry Audio Technica fans but, I wiil have to pass on AT carts)