Build eCommerce Website and backend Product Database

Build a light and simple eCommerce website with a backend database to help our Australian business sell goods online. We sell 1000 products across categories such as Machinery (new and used), Farming Goods, Outdoor Products, Gardening Products, Gifts, and Household Products with sub categories for Whitegoods, Electrical and Miscellaneous Items. These can also be used as Page Headings if that’s what you design. The backend (MySQL) Product Database needs to be set up using this categories. Need Image and Text Upload feature were I can search for documents and images and then upload them into the Product Database. I want a simple to use Image File and Text Upload feature so I can Add and Delete Products myself as Administrator. Need to display goods and services as a richly as possible (jpeg plus MP4?) and as text (i.e., description of product) displayed. A series of images will be used for most products. Allow for 20 as maximum. Need a Product Search feature for customers to search by name and by category and by price (similar to [login to view URL] and [login to view URL]). Need a Mobile and iOS compatible version. Avoid Flash if possible due to Apple OS. Customer Login Area – Customers have discounted Product Prices. Customer Account holds their details and purchasing history etc. Signup area for our Newsletter and backend Newsletter Database Wish Lists - Birthdays, Christmas and Special Events feature that allows customers to Lay-By Goods over a period of time (1 – 6 months etc.). Customers create a Wish List of Gifts that others may Purchase or Lay-buy for them. Shopping Cart and Payment Gateway for PayPal and Credit Cards. Links to our established Facebook and other social networks (Google +) accounts. Use light colours. Simple Design. Plus other ideas and functions. Any of your ideas are welcome?