Welcome to the forum
I doubt anyone on here will recommended any black bras, and instead steer you towards getting a clear bra. However, if you go this route, you will most likely need a new paint job on your bumper. Putting a clear bra over a front end with paint chips will look
Sorry, Im no help with any "good brand bras", if they even exist.
As far as backup cams, you cant go wrong with the big name companies: Pioneer, Kenwood, Alpine etc... I recently purchased a sub $20 camera from ebay (the kind that replaces the license plate light housing) So far it works good enough for me