What happens when your blogging tools lock up, are frozen, or you otherwise can't get access to the database?

Echo can help.

Wherever you write a .html file, write a static .echo file too.

A spider should be able to find, collect, and reassemble all your posts. Just in time for you to move to a new server, vendor, or blogging tool. [PhilWolff]

A special case of WeblogArchives perhaps?