"You will no doubt come across many quirky layout issues when building a site with CSS. You'll end up banging your head against a wall time and again. This is an attempt to make the design process easier, and provide a quick reference to check when you run into trouble."
"The old-timers had to figure out the hard way all the tricks and techniques we now take for granted; lucky folks who came in later (myself included) can benefit from their sweat and tears.
In the end, when your skill using standard-based design eclipses your skill using old-school table-based methods, you’ll look back and marvel at how much more sense it makes to layout a page with CSS."