I've never had a white trailer, but I'm always tempted to get one to match our white tow rig.
White seems to be less common on trailers. But I think they look sharp, especially with nice rims.
So, let's see you favorite pics of white boat trailers (doesn't have to be your own boat).
Here are two of my favorite. The MC is a boat I almost bought back in 2009. The MB is a sweet 23 TWB that rolled off their line last summer.