Miss Prissy and Tuffoldhen, right here on BYC, sell hatching eggs from their wonderful stock of blue, black and splash orp breeding. I'm sure you could get some wonderful black birds to hatch from their eggs.
I agree. Their birds are beautiful. Here's a thread about one of MissPrissy's blue Orp roos. Her birds have really glossy feathers.
Spend some time drooling in that thread.