Here’s an article from the Simple, Good and Tasty website with tips (and links) on how to get through your CSA box and enjoy your CSA membership.

The Heavy Table also just ran an article on the same topic, and has some interesting suggestions in the comments — like green smoothies!  Also in the comments is a link to the Cook Out of the Box blog from a Featherstone Farm CSA member.

And the Vegetarian Perspective blog has a tab called CSA menus, listing the contents of the author’s Foxtail Farm CSA box and the recipes used to combine and use up the veggies each week.
There are also a couple of local CSA cookbooks that are quite good: