I am reprocessing photographs of my black-and-white negatives. Having fallen under the influence of Bruce Fraser and Jeff Schewe, I attempted to reduce the appearance of the grain using the Surface Blur filter in Photoshop, applied through a surface mask. Then I sharpened with an edge mask. The grain is still there, of course, but much less obtrusive.
This photograph is from Cozumel, México, in 2013. The film is Ilford FP4+ and the lens was Nikon's 85mm f/1.4D