s3steve,
I really loved my Beeswax capped CSP3 before, but for what I wanted, it required very careful power/tube/cable/vibration setup for my specific need for musical openness and
very fine detail at medium gains. This made it quite flexible with more recordings. Set on the clean side, it sounded really good on overly dense or dark recordings, and I could easily add weight/body/dynamics for lean recordings by adding more CSP3 gain while turning down the Torii gain. And very revealing space and fine detail, detail that was balanced and complex, more than solved downsides of having more in the signal path, while helping all recordings sound realer. Now, heavily modified, all these things are better! I really can't imagine wanting a better pre or headphone amp.
I also really loved my Torii IV before. Now, also heavily modified/tuned over almost three years, I am finding really great sound transform to nearly impeccable in my setting. I love it with just the Zbit, but more with the mysterious OTL qualities of the CSP3 also. A cool thing about Decware to me, is Steve builds in his sense of balance and forgiveness, but with the quality of parts and design, leaves a fair bit of room for altering the amps pretty notably with cables, tubes, power refinements, vibration control, etc. My hearing is pretty sensitive, and I have carefully tuned for a very revealing, resolving, and musical system that can make most recordings sound pretty real without pain....But within this, I can hear every cable, foot, resistor, cap, wire change with these simple revealing amps tuned optimally and not hobbled by other lesser components, cables etc. This gives a lot of tuning latitude for personal refinement.
I saw yesterday Palamino is selling his Torii III.
https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1568390297 You would have to check with Pal, but I would imagine he might be able to get it Decware for the Anniversary mods and checkup, and have it shipped from there with a new warranty.