OP here with a (rather belated) update on my TT hunt. I've actually ended up adding not one but two new decks, both bought secondhand for reasonable sums:
--STST Motus (the non-suspended, larger plinth version for 12" arms)
--TechDAS AirForce V (not the Premium model)
Annoyingly, I won't have these in my possession for a couple months yet, as I'm moving apartments, so no impressions yet. My current thoughts as to how I'll run them:
--STST with my Schroeder CB-1L and a recently acquired Soundsmith Sussurro Mk2. STST seems to frequently exhibit with Schroeder arms and Frank Schroeder helped design the Sussurro, so there seems a high possibility for some nice synergy here.
--Airforce V with my Kuzma 4 Point 14 and CAR40 cart. Not much to say here, other than that I really liked the 4 Point 14 on my SP10mk2 set-up, and the CAR40 is an obvious match. I'll probably just go with Audio Antiquary armboards. Not much interest in paying $$$ for the official TechDAS boards.
Eventually, I'd like to add another arm in the rear position.
I might try my Groovemaster 12J there with the SPU Synergy G I had on it previously. Though I sort of prefer how that arm looks on my modded Garrard 401. Just seems to match the vibe of that table.
I've also got my eye on an Ikea 407 or a Fidelity Research 66 variant, in part b/c they seem like such classics and ideal for SPUs. But, on the other hand, I'm also keen to play around with vintage MM carts, and so I'm toying with picking up an SME Series II improved or III cheap and seeing what it can do.
I recognize there's an argument for selling all of the above tables and just getting one super table, etc. But, then, I like playing around with different arms and carts. That's half the fun for me. It's nice that the TechDAS can take four arms, and I see folks run them that way. But, for me, it's too cluttered feeling, and I dislike cueing a record from an arm on the left-side or front position. So, it overall makes sense, currently, for me to have multiple arms on multiple tables. But I might well streamline somewhere down the line.
Anyway, a bit of an update! Thanks again to all for the suggestions along the way.