Buy off the shelf 15-20 responsive webshop designs incl. PSD + HTML+CSS

We need to buy in ready to go psd / html + css for 15 – 20 different webshop themes. The themes must show a diversity of styles: modern, minimalistic, colorful, classic, etc. All designs must be responsive and each must have a mobile version. The designs must all cover the following configurable modules: - Homepage rotating banner - Position of top navigation: top or below the rotating home page top banner - Position of categories: drop down box in main navigation, left or right positioned, on top of page outlined etc.. - Featured products - Recent products - Products on sale - Newsletter: footer position - Social icons: footer, header - (dis)able guest checkout - Customer sign up / registration - My account: orders, shipping address, invoice address, invoices, my details - Additional pages: about us, contact us (google maps) - Etc. The more the designs are uniform and modular, the better it is. Notice we are only searching for suppliers who already have those design on stock and are willing to hand over for usage for our commercial ecommerce website. So including IP and copyright. Notice you have to be owner of the IP/Copyright of course!