I am very tempted by the adorable Buff Brahma chicks currently available at my local Tractor Supply. And the adults are so gorgeous. But how is their egg production? Do they lay more than Silkies (mine haven't laid yet and they're almost a year old. Still love them though!) and Cochins? How do they compare in egg production to popular dual purpose heritage breeds like the Buff Orpington or the Wyandotte?