Andy M.
Certified Pretend Chef
And it's not cocoa powder, so it can't compete with the flavor of cocoa.
My preference for cocoa powder is Ghirardelli, but that is just a personal choice. I've used Hershey's both regular and extra dark, but I like the flavor of Ghirardelli best.
I'm a big fan of Ghirardelli chocolate products too. Consistently good stuff.