I make a lot of things in PS, but I don't usually "count" them as major works, meaning I don't number them or catalog them in my pieces, but sometimes they can take as much work. Normally, I use PS to work out the color palette for a painting I'm already working on.
I can't really say much about PS. Just that I don't have the patience needed to learn the necessities to use such software. I hate waiting for paint to dry, too. I would rather spoil something than wait. Not the attitude to produce Fine Art. The aptitude is pretty much missing, too.