I've spent untold hours scanning and cleaning up slides and negs, mostly just to put them on the blog.
The results rarely looked as good as the prints processed back when I made the images. I know photographers who do this but it only recently dawned on me that I could take pictures of the pictures. The results couldn't be any worse than the scans and I wouldn't have to spend time cloning out the dust and debris. Et voila! Now I have to find something to do with all the time I've freed up.