You hear what you hear, and I'm certain we all believe you hear a difference.
The lack of detail you mention is disconcerting, but I wonder if this is a product of break-in and might change significantly over time.
I am not a good source for warm sounding cables, but pressed to offer a suggestion, I'd mention Cardas Golden Cross (the warmest wire I have heard), Audience AU24 (terrific wire, if not as extended at the extremes as some others), and Purist Audio Venustas (these would be my first choice, cost no object, but they are not as warm as Cardas).
The lack of detail you mention is disconcerting, but I wonder if this is a product of break-in and might change significantly over time.
I am not a good source for warm sounding cables, but pressed to offer a suggestion, I'd mention Cardas Golden Cross (the warmest wire I have heard), Audience AU24 (terrific wire, if not as extended at the extremes as some others), and Purist Audio Venustas (these would be my first choice, cost no object, but they are not as warm as Cardas).