Food is getting more expensive. Organic food already is so getting good value is important. How to get the best value for your buck? Check out this list at Greenopolis. The real beauty of this one is that it says what you should buy organic and what you don't need to by comparing pesticide load. This can shave a few dollars off the grocery bill and still keep you eating healthy. Pesticides are not the only concern but a notable one.
I think growing a few yourself if you can is a good bet. Check out Patti over at Garden Girl TV for tips on how to do some small scale gardening at home and you can grow what you like.