Last week, I had suggested doing more thorough comparisons of CSAs by posting pictures and box contents. (Reference: http://chowhound.chow.com/topics/986846)
Here are the contents of the Medium box from Terra Firma Farms that I received September 3rd 2014. This box currently costs $27 per week, and I get a small discount by prepaying quarterly (3% bonus).
Overall, we really like the variety of TFF. As usual, they have their strengths and weaknesses. I find myself stocking up at the farmers' market on stone fruit, strawberries, avocado, and eggplant. But mostly we are very happy with the quality and variety of the veggies. The nuts and citrus are great. You can often buy surplus fruits and vegetables at a good price -- I bought 12# of organic yellow tomatoes for $15 earlier in the summer for canning, it's hard to beat that price.
I weighed everything on my kitchen scale, and tared for any containers:
Shisito peppers -- 5 oz
New Potatoes -- 1 lb 9.6 oz
Painted Serpent cucumber -- 7.2 oz
Yellow Onions -- 1 lb 4.1 oz
Peaches -- 15.4 oz
Heirloom Tomatoes -- 1 lb 9.3 oz
Green Beans -- 8.2 oz
Gypsy peppers -- 1 lb 6.5 oz
Seedless Grapes -- 1 lb 10 oz
Seeded Watermelon -- 8 lb
Next time I go to the Lake Merritt market, I'll look for these items (or the closest thing to them) and post equivalent prices.