Export your del.icio.us bookmarks!
It's not a bad idea. Choose a format and click to download:
You can also export your del.icio.us data to your Pinboard account automatically by linking the two accounts here.
Pinboard is a successor site to Delicious designed to stay online and useful for years, the way the original site did not. You pay about two bucks a month, and in return you get a permanent online archive of all your bookmarks.
Don't have a Pinboard account? Sign up for one here.