Jeffrey Zeldman,"Why Don't You Code For Netscape," A List Apart, 7 Dec 2001

The method outlined in the NYPL Style Guide (valid XHTML, tables for basic layout, CSS for all else) works in any browser, though the design may be ever–so–slightly degraded in 4.0 and older browsers. I often follow this method in designing projects for clients, and recommend it in my consulting practice as a means of bringing document structure and forward–compatibility to large–scale content sites.