I'd be interested in trade my flagship ACS Emotion for smth interesting. They were done by English lab of ACS. Conditions are absolutely mint. Because of silicone shells, there's a high probability that the reshell won't be necessary
Renewed flagship is much better than old Encore, especially in terms of high frequencies.
Here's a comprehensive list of possible options for trade (details of current offers can be negotiated)
Perfect Seal Deca
AAW W500 Ahmorph
1964 V8 (not A8)
Custom Art Harmony 8 Pro
Custom Art Harmony 8.2
Vibro Labs Aria or Maya
UE 18 Pro (old one).
Of course, this list isn't completed, so you're free to offer smth different