Joliprint, a service that lets you create PDFs from web content, just added special support for Read It Later users.

Their conversion outputs a nicely formatted PDF, complete with images, that looks great on paper or in an ebook reader with PDF support.
You can get the Joliprint Read It Later bookmarklet and learn more here:

New Article View
Read It Later is now smart enough to know if an item would look best in the Article View or the Full Web Page View. Enable this option and RIL will pick the best view to download for each item in your list. This ensures the best offline experience possible.
