Cockerel number three could shape up to be a very nice bird. He looks like he has a more middle-of-the-road colour which I personally prefer, and he has a large frame that should fill out and become square and sturdy with age. He looks like a much better bird colour-wise than the first and...
I have problems with rose combs popping up in my buffs. Paying attention to the females' combs is certainly important as they contribute comb type just as much as the male. It can be tempting to pay more attention to the males at times.
I believe it's a carryover from rose comb genetics, don't quote me on that though. The bird with a nodule was not one of the ones on my keep list, correct?
Pullet #2 and #3 are the best IMO. It's really too early to cull for shape and vitality so we're reduced pretty much to culling by colour which is a bad strategy. Your other two pullets are a bit light in colour.
Your first cockerel is much too red and has a lot of leakage in his chest. The...