Here's a story on folks buying less: http://www.washingtonpost.com/wp-dyn/content/article/2006/12/17/AR2006121701122.html.
This reminds me of my life RIGHT NOW. I've been on a budget for a long time. I don't make many impulse purchases. I am more interested in getting rid of things than getting more things. I could really see us trying to do this, as ... well ... money is tight and we need to do things like this anyway.