While the a la carte prices on, well, carts are pretty ridiculous, I have to say that Plaza Inn seems to be a good value. My friends and I routinely get 1 salad and 1 chicken plate, which feeds all three of us and still leaves some leftovers.
But single ear of corn for nearly $4? That's just silly.
And bottled water is a scandalous issue no matter where you buy it. I could never figure out the economics - Coca Cola costs less than simple water, even though it contains far more ingredients (in addition to the water!) and requires manufacturing!