Steve,
You might consider what I did. Recovered our overhead boards with a white or cream vinyl. It was not hard to do and the cost was not all that high. BUT, if you do, use the high temp contact adhesive. I didn't and have to re-glue a couple so spots that came free in the Az. heat.
You can see how I did our "under deck trim" on YouTube at; http://youtu.be/SurPjkY7JhI
Greg