Great post!

the envelope system lives on... this post lists reasons why cash in an envelope is still the best method for saving saving on your groceries.

http://www.moneysavingmom.com/money_saving_mom/2009/07/the-envelope-system--experiment----paying-with-cashwe-all-did-it-at-one-point-when-you-are-a-child-and-are-too-young-to.html