I liked this for the slices of seedy '70s Georgia that it showed. Oates was very good, and Richard Shull seems like the most familiar actor that I can't quite place.
There is actual cockfighting in this movie, and plenty of it, so maybe don't seek it out if you think of chickens as pets.
We watched this because PSH's small amount of screen time is 100% awesome, but the whole thing is good. Very good.
I liked this a lot more now than I did the first time I saw it.
Be sure to watch the Mattress Man commercial on the second disc of the DVD if you can find it. I'm sure it's online somewhere, too.