E-commerce website

I would like to re design my website at the moment it has been developed in PHP. What i am looking is a online store with a glossy front end design and SEO optimized Static home page. I do not have a big category only special functionality color choice of an item.
and Facebook Linkden and other social plug in to allow customer for Log in share items. I will post a detailed spec after getting response from you. Any decent open source frame work will do the job Zen cart, Magento, Open cart lite-commerce(preferred*)
social plug in requires to share purchased item from customer such as like or post on customer FACEBOOK wall.