An update at this post. Had an early treat for myself this Christmas.
Updated: My Shuttle DH370 i9-9900 32Gb to a Lenovo P360 Ultra i7-12700 RTXA2000 128Gb.
Added: Audiobyte Hydra.Hub Streamer/Converter, Puritan PSM156, Fiber Media Converters + LPS
Lenovo P360 Ultra specs: