I was unconsciously worried that 'someone' in the soundfield might bump into me.LOL! As I noted, that sensation is incomparably stronger with the UNIverse (1 or 2). Its ability to erase the wall of artificiality we normally hear is spooky. We made note of this in our UNIverse1 review years ago, as did Arthur Salvatore. It comes, I believe, from a combination of things; including exquisite timing accuracy and low level detail retrieval. Like anything, you get used to it after a time. Of course moving back to a cartridge that's less immediate is difficult... very difficult. Beware!
Regarding "soul, emotion, etc.", read our review of the Atmos/4D. We address that point directly. In the end, I fear you may be searching for two contradictory characteristics. You may have to choose one path or the other, or have separate cartridges or systems for different sonic purposes.
IME, a superbly revealing system is ideal for ancient and folk music, classical, older jazz, classic blues and any music that's recorded live with minimal miking, mixing and processing. What could be more soulful or emotive than hearing the performers so palpably that they might almost bump into you, as if from a front row seat? Emotion and soul in this type of recording comes from hearing what the musicians actually play. ZYX's excel at this, as you've heard, and the higher up the model line you go the better they are at it - especially the nearly nude models (4D and UNIverse2).
OTOH, most rock, pop and modern jazz recordings (and many new classical ones too) are multi-miked, often with the musicians in different acoustic spaces. The pieces are then assembled, dubbed and added to by the engineers into a finished product that never existed in real life. The more revealing the system, the more we hear the seams, the artificiality. It's harder to believe in the soul or emotion from a vocalist who's obviously singing in a closed, anechoic booth while her backup musicians are playing together in a completely different, more reflective acoustic (for example). Artificial input = artificial output.
The only way to NOT hear this artificiality is to play the recording back using one or more components that smear subtle timing cues, smother low level details and/or infuse the sound with some coloration of their own. The classic Koetsu and Grado sound is based on exactly this sort of distortion. (However artfully done, if it doesn't reproduce the actual sound in the grooves, it's distortion.) The most impressive cartridge I've heard in this respect was a Lyra Olympos. It was *almost* as clear and revealing as my UNIverse1, but brushed each note with the slightest hint of mink (as the owner artfully described it). It was gorgeous, but ultimately still a distortion.
Ultimately we each must choose which path we prefer. My preference obviously is for maximum clarity, fidelity and realistic micro-dynamics. Others prefer to sacrifice some of that for the sake of a sonic character that pleases them. No right or wrong, it's all preference.