OsCommerce site needed

Projects Requirements: 1) Clone site [login to view URL] as far as layout, function and colors used. 2) I can add products to given sections, but need the cart ready to go otherwise. 3) Customers need to be able to order whether they open an account or not. 4) Need it to be authorize net, paypal, and google checkout ready 5) Also need the customers to be able to order on account (terms Net 20) 6) Need a clean easy checkout process that clearly shows bill to and ship to addresses separately. Just like example website above 7) Need to be able to customize pricing for each customer 8) Site will be free shipping, so no shipping programming needed. 9) Need the urls SEO friendly. Examples: Thermal Paper (Section) [login to view URL] Index Page: [login to view URL] 10) I need an editable region on each page towards the top and bottom of each page. To describe page. (see example – page descriptions) 11) I need to be able to give each section and product its own page title. (SEO friendly) 12) I need to be able to edit metatags, descriptions, keywords for each product 13) I will need to have full access to admin panel when finished 14) I need to be able to list the products in any of the sections in the order I want. 15) Need a redesign on the banner at the top and bottom of the page. I can supply images of the products we sell. 16) I need this project done ASAP. Please give time frame needed. Thanks!