Pro-R is a workhorse. All-in-one algo reverb.
If I had to keep three verbs:
FabFilter Pro-R for algo
EastWest Spaces II for convo
Zynaptig Adaptiverb for creative
Keyboard in Blue is not on the same level as Piano in Blue. That one’s pretty unique, as it’s the grand played on Miles Davis’ Kind of Blue and Glenn Gould’s second Goldberg Variations.