This is such a neat solution to a problem that's been nagging me for ages: how to get a table-free page layout with a right-hand sidebar but with the sidebar content being after the main content in the HTML. The last point is important for search engines which may rank the importance of content by its position in the document, and also for accessibility - don't you just hate those 'skip to content' hacks? This solution was provided by Ryan Brill in response to a question thrown out over at Mezzoblue