Leaving legality aside, I was always really impressed with the level of curation people put into that particular private tracker. You could find every vinyl and CD release of Miles Davis' Kind of Blue in just about every file format you could hope for.

I hope eventually streaming services become so low-friction and commonly used that enforcing copyright takedowns on sites like what.cd will become a thing of the past and we can benefit from their value as a deep archive of esoterica.