Sorry, I hadn't been checking in on this thread and didn't see your question.
The gathering looks like it is being held at the same location.
Other than that, my information is years old, so take it for what it is worth. It is possible they have changed things, so I would check with them.
But, dinner was included. Breakfast was still cooked and was like $5. You could also buy a cup of coffee seperately too, along with drinks and snacks through the day.
Firewood was free. So, you can bring a backpack stove, cook on a fire, or eat there.
For showers, there was one very small shower within site of gathering pavilion, and a much nicer, bigger one up the hill behind you. It is not much father, but just not obvious because you can't see it up there. Just walk about the round going up hill behind the gathering and you will see it.
Bring money

BHK had an impressive display last time I was there. I wanted to buy something and I make knives
Have fun,
B