495741 Magento ecommerce site

I need a professional looking magento site made, for selling hand and power tools, I need the products (roughly 20,000) installed on the website from my suppliers website, including a feature where my special offers section is linked with my suppliers special offers once a day automatically to keep my specials the same as their's. My Suppliers website is made with .asp not php if you need to see the suppliers website pm me and il give you the details. also i need a way of updating the products on my site from the admin so new/change of prices and new products are added of the 20,000 products I need to able to send marketing emails to my registered users too and have vouchers and promo codes, general good e commerce functions etc. I also require : Log in with facebook, like with facebook and add the products/shop to facebook fan page and also facebook comments under each product on the site. Also i need a affiliate section too and any other ideas from you that you think would be a good feature on the site Seo friendly to including a site map and registering with search engines payment will be made via escrow on scriptlance when the project is finished and working fully