They won’t work at all, or

They won’t take advantage of new features

For maximum flexibility, try and choose a theme which is actually designed to be used as a CMS with a static Home page in place. Look for one with a CSS-based drop-down menu structure, which automates menu generation. Make sure its “widget” friendly, and therefore easy to add sidebar plug in widgets without coding being necessary. We like the Revolution series, and themes from iThemes are also well engineered.

Ben Kemp - the SEO Guy - www.Website-Designers.net.nz