Conventional wisdom suggests the primary motivator for entrepreneurs is money or wealth creation and, in fact, much of the political debate tends to center around what kind of tax or regulatory policy changes will turn corporate suits into small business adventurers overnight.
I don't know about you, but I've saved cards that old high school flames wrote me as well as those that employees have written me over the years. The power of genuine, customized appreciation will never lose its value, even in a gloomy economy... in fact, it's probably what we're all thirsty for in this desert of a depression.