What is the most important data on your computer? Is it your list of passwords, your financial information, family pictures, or what you labor to digitally produce?

This is essentially the digital equivalent of the perennial question: "What one item would you save if your house was on fire?" If your laptop is on fire, saving data would probably be the least of your worries, but the question does bear some contemplation, at least for the purposes of backing stuff up.

Drop your answer in the comments.