If you are looking specifically for WordPress based themes, StudioPress might be the place for you. The website contains professional website designs that not only look pleasing but are also load extremely fast. Another advantage of buying StudioPress theme is that they are highly secure from the outset.
99Designs is a general purpose graphic design website that contains logos, headers, and other graphic items. The site also contains complete web design templates that are not only pleasing for eyes but are extremely compact and affordable.