I love "pulled chicken" in the slow cooker.
I just throw the rooster in the pot and simmer it on the lowest setting for 8-12 hours (depending on the rooster's age and size). Once I can grab a bone and it separates from the meat it's done. When it is pulled off you can use it in the broth for chicken noodle soup, or you can take it out and mix it with BBQ sauce for a BBQ sandwich. If the pieces aren't too mushy/soft, then you can make cashew or sweet and sour chicken, popcorn chicken, etc with it.
So far I've been too lazy to debone and grind a rooster up to make chicken patties and chicken nuggets. Then the other day I realized that when I over cook a rooster it turns to mush. And when fast food places like, say, McDonalds, makes their chicken nuggets they grind the meat into a paste. So I'm going to take the too-soft meat, mash it up into little balls, dip them in batter/bread crumbs, and put them in the freezer. Once frozen I'm going to fry a batch and bake a batch to see how they turn out.
The other benefit to the slow cooker is all of the broth. We've been making Tomato Florentine soup with all of the chicken (and rabbit) stock. Adding the broth takes away that tang in the tomato soup (I can't stand tomato soup because of that tang - I'm picky). You don't really taste the chicken, it just takes away that bite. With cans of Campbells Tomato Soup on sale at our grocery store right now for $0.50 per can, I can make a gallon of soup for a few dollars that will last all week.
If you enjoy the soup then instead of wondering what you are going to do with the 10 roosters'/rabbits' worth of broth you made, you start to wonder how you can make it last as long as the meat.
For tough roosters I'm also planning on trying bourbon chicken/teriyaki chicken/Korean BBQ chicken. All of those seem to use dark meat (which is a hassle on those birds). I'm hoping the smaller pieces simmered down will be tender enough to work in any of those recipes. I just have to figure out how to make it work.