I, too, was thinking of Don't Doubt Dalton.
A new one that I planted last year and bloomed this spring is SDB Perfect Animal. It has an unusual color combination that I really like:
I also have a NOID that is very likely Batik, and it has been producing a number of half-and-half patterns, which many iris sometimes do, but it is quite interesting in a broken pattern, I think:
NOID that is likely BB Batik:
I really enjoy finding an iris with more than 3 falls:
Vavoom:
Dazzling: