But!! Tables are a bit oldschool with the emergence of css. With css you can create table-less pages with absolute positioning. You can therefore place your most important key word optimised text near the top of the page(where it counts most) and let your style sheet dictate where it must appear on the page.
Here is a very good tutorial and comparison of tables vs css.
xhttp://www.sitepoint.com/article/tables-vs-css/2