If its true black, that sounds like a winner, not just a rehash of the original Space Grey... But personally I want to see a Product Red iPhone, I think thats long overdue. Plus it would generate a ton of money for the charity..
Black is definitely a classy color. I was a bit disappointed that the space grey on the iPhone 6/6s and the plus models was lighter than the space grey on iPads, Apple Watch and the new MacBook. Kind of weird