In an article entitled "Visual vs. Structural," Tommy Olsson compares the two most typical - and often competing - web design approaches: visual design and structural design. The balanced and well-written article makes the point that while there are often no major differences in the code produced from one design approach or another, using a structural approach can result in more accessible sites.

While I hesitate to use such loaded words as "better," I definitely agree that structural design can contribute to a product that is more scalable, easier to maintain, and more accessible. (I say this from the perspective of someone who has employed both approaches at one time or another.) And remember, "accessibility" doesn't just mean "blind people." As the web moves away from being confined to the desktop computer, accessibility is as much about accommodating mobile technologies as it is about making sure content is available to disabled users.