Hi,
I tented (along with Pavillion) last event - ended up setting up at the far end at the top of the field, right before the grass started getting high (basically following the path in front of the tavern until the grass and keep going along that line). Worked well for not having to lug too much up and down hills. And also far enough away from main fighting while still being able to get a good view all around.
One suggestion - make sure that the grass is level when setting up the tent. They had just mowed when I was there, and even though it felt and looked mostly level, when I slept, I found all the hidden lumps of grass piles. NOT comfortable!!
Have fun!
Kathy