As you know, I am not into the black out thing, but everybody is doing black headlights and everybody else seem to like it. So everybody else thinks it looks good. For the pearl white part, I would take the shrouds to a a body shop. I wouldn't think it would cost that much to have them paint it pearl white.
There is this. I think it is sold in Michaels.
However it is a thin white, you have to use a base paint 1st. Not sure how it holds up to heat.
Also try e-bay.
pearl white spray paint | eBay