Generally, I don't think sites automatically look dated any time new design practices come out right away (at least, for non-simple designs). If you have a theme that fits your site's topic of discussion, I don't think it would look dated at all.
Generally, I don't think sites automatically look dated any time new design practices come out right away (at least, for non-simple designs). If you have a theme that fits your site's topic of discussion, I don't think it would look dated at all.