Quote Originally Posted by vinyl_ninja View Post
... If I browse to a category or product page the URL is re-written as I expected but the page takes ages to load and seems to be missing all the styling and scripts. ...
Usually indicates something is not working in your template. Do the resources show up correctly in the "classic" template? Have you looked at any 404 errors to determine what may be broken (404 errors cause major load time issues)? Have you tried different cache settings / URL settings? Have you tried a different browser?