My only reprieve is that sci-fi short story omnibuses contain maybe 20-30% true sci-fi that's exactly what I'm searching for. But buying a print novel off the shelf got to the point where it was wasting my money. And I can only re-read the classics so much.
Waiting for the "sci-fi was always current-day allegory!" sophomorists to flood the comments.
But cyberpunk is not imaginative in the way you're looking for. I can appreciate that.
What are some examples of the old-school, non-allegorical stuff? Maybe Exhalation?