Ecommerce Website design

I would like a website designing for handcrafted giftware. We currently have around 200+ different product which fit in to about 12 different catergories. As well as catergory pages we would like
About us
New Products
Contact us
&
Links

We would like a clean and simple design. Some of the website we like the look of are

http://www.giftwrappedandgorgeous.co.uk/

http://www.pasttimes.com

http://ukhandmade.co.uk/

http://www.jig.co.uk/

I have little to no knowlege when it comes to html so the website must be easy to add new products and edit old products including photographs without knowing how to do html.

Kind regards

Christina