I'll join this year so as to keep my stash appetite in check. I've done pretty well without accountability, but this year my word is "contentment" and I want to be content with less fabric --by actually making more projects from what I have.
I'm going to try to record my inventory as well.
But don't worry; I'm a strong believer in keeping the brick & mortar quilt shops in business. Because of their higher prices, though, I tend to be more intentional about what I buy in my LQS anyway.