columns

Layout Gala: a collection of 40 CSS layouts based on the same markup and ready for download!

This is awesome! Like CSSZenGarden for generic layouts. I’ll definitely be using this. They all validate and use good code.

Multi-Column Layouts Climb Out of the Box

I’ll be interested to see what kind of comments and concerns this generates, but on the face, it looks like a very good solution with no extra markup needed.