I like all of those. When I carry a revolver as primary, it’s a 4” SB 65, or 3” RB 65.
A fixed sight K-frame is a rock.
I know my 15 or 19 are more versatile with their adjustable sights, but the fixed sight models are so much more snag-resistant.
I would love a 10/13/64/65 with UC sights.