commerce/ service website

Hello Wanted 1 website that will have drop-down options and to create a wanted product, and in the end the costumer will be able to insert payment and shippment information. the website should look like this [login to view URL] please navigate through this site and see what i need: 1. I need to have on the LEFT SIDE the type of products we offer ( business cards, flyer, menus, etc) 2. and then when Costumer clicks on one of the products, he will have the product information and summer on top, and product drop-down options to customize the item ( i.e quantity, quality, turnaround, etc) 3. and costumer will need to choose shipping options. the information will be transferred directly to company's email and will be processed. i need to have the option of sign-in as a guest (1time ) or to create new account. i prefer to have back manu, where I will have control over everything ( change/add products, items, product options, pricing, etc) i will also need future relation-ship with the person for future maintanance, and new projects.