I hadn't run across this before but I thought some of the EBay folks might be interested. It seems well-organized and comprehensive:
" Pick the right CSA program for you: Most CSA programs offer a mix of vegetables and fruit, with add-ons like eggs, nuts, or honey. But some are all meat, all fish, all bread, or all chocolate! There are even CSA programs for medicinal herbs and flower bouquets. "
Full descriptions including pick-up/delivery options and cities served, on their website at: