Well you ask for honesty - and I breed chickens for eggs not to show - but awile back someone posted either here or on the old BYC a picture of a 'real' show BR. Looked nothing like my hatchery BRs. The barring was picture perfect. Maybe Cyn remembers where to find the link. Your chicks look...
I'm looking forward to seeing what you have on your hands, there, Dane! I have hatchery Barred Rocks, too. Just as has already been stated, the roosters will look almost silvery because the white bars are wider than the black. Hens are more 50/50 and therefore appear the perfect yin yang...