Affiliate Comparison Shopping Engine Script build in PHP

I need comparison shopping engine script similar to this site [login to view URL] with 3-4 skins. [login to view URL] [login to view URL]~c-Digital_Cameras~[login to view URL] [login to view URL]~c-Digital_Cameras~[login to view URL] • Multilanguage support • Multicurrency support • Search engine friendly support • Automatic products addition • Clickthrough tracking and reporting • Spam blocking features to prevent spam on sites • Google analytics features • Different predesigned templates to choose from and custom designing options • Tell a friend features • W3C compliant homepage • HTML sitemap, text sitemap as well as Google sitemap • Better and accurate search results • Speed improvements • Product filters & search filters • Products comparison by features • Auto data feed import • Social networking support (website page on facebook, twitter, linked in etc) • Compare prices for a product • Compare products by feature • Top stores ranking based on click through • Adsense Integration. For each pages 3 adsense ads should show. 1 on the right side, 1 on the top side and 1 on the bottom side. Even on the comparison pages should show as well. • No database needed. No MSQL database needed. It should take less space on the hosting account.