I would like to develop a bicycle part and accessory website, with the following elements:

- Catagories for all different product types
- Sub-Catagories for all different part types
- Automatic Shipping quotes, direct from ups and fedex
- Payment processing online, paypal, credit card merchant
- Integrated shopping facility, seemless, simple
- Realtime database lookup, to see whats in stock,
- It must be easy to update desriptions, pictures, and to add new items.
- Order staus page

Must be similar to http://www.nashbar.com