I mention that also Kenobius, a couple of pages back. That would be a very tricky detail to add, without having to recomposite a digital X-wing, or film a model with water dripping from it. I actually messed around with that idea on my maya, but I gave up pretty quick on it because I could not get the lighting on my X-wing model to match the lighting on the one in the movie. The X-wing in the movie has a different lighting scheme apart from the matte, and live action set.
Anyway, I'm pretty content with how it already looks.