Some articles on tableless:

Tableless Web Design - Advantages - Maintainability
... In tableless layout using CSS, virtually all of the layout information resides in one place the CSS document ... it is quite easy to add new content in a tableless design, whether modifying an existing page or adding a new page ... the other hand, due to browser inconsistency and a particular web designer's implementation of tableless design, it may not be clear at first glance exactly ...