Price Comparison Site

We need a price comparison clone just like [login to view URL] (pricespiderDOTcom)or [login to view URL][pricecomparisondotcom]. This price comparison website utilizes affiliate network merchants(CJ, Linkshare, Shareasale etc.), along with Amazon & eBay API's. This is more or less an XML product feed. i want banner facility showed in differnt categoery. I prefer to have site in php. Please PM me your portfolio if you think you are qualified for this project and have done this type of project in past.