If anybody is still looking for the black J&D's: http://www.farfetch.com/shopping/men/adidas-ultra-boost-sneakers-item-11057745.aspx?storeid=9671&ffref=lp_27_9_
They definitely look more navy in person, especially in the light. These are my first pair so I wouldn't be able to give a comparison, but they are a bit tight.
A few sizes of the black J&D's available here. You get 20% off if you're in the US. http://www.thenextdoor.fr/en/adidas-originals-by-originals-ultra-boost-j-d-black-black.html?___from_store=en