1.
I'll reserve judgement until I see it in the flesh. Its going to be very 'marmite' I reckon.
2.
, but don't spray the brackets. Maybe give them another coat of black to sharpen them up a bit..
3. It will look awesome
4. Do it, don't forget to do the bits on the rear bumper as well. I reckon it looks better without the black bits, but some people prefer the car with them.