Well, I always loved the look of them. I couldn't wait to get one for my 68. When I restored it, I got one. Now that I have it, I don't like it. Like some have mentioned, they take away from the lines of the trucks. IMO, these trucks have the best and most beautiful lines and contours of any other truck. The cowl hood just adds another dimension that doesn't belong, especially on a stepside. I will say that I think they look better of fleetsides than stepsides. I may eventually look into trying to trade out for a nice stock original hood in the future.
Here's a good example of what I'm talking about.