Comparison site need

I need a Price Comparision website very similar to www.[Trademark masked].com ,[login to view URL] It should Enable customers to easily search and compare products/services at competitive prices, with the added option to be directed to the provider to complete the transaction OR to give contact details of the provider if he doesn’t have a website. It must include ALL the features that their script has - [login to view URL] including: Template based website Product filters & search filters Product comparison by features Advance Search Member's wishlist (ability to save products as wishlist and later view them) Advanced Search (search by manufacturer, by price range) Unlimited categories (at unlimited depth) Unlimited products under each category Unlimited merchants (online stores) Unlimited products per merchants Product catalog (including featured products) to nicely display categories, products, prices and merchant profiles Product comparison Product rating and review Price comparison Merchant rating and review Product search Recent searches and traffic information) Multi language support (English and French at least) Multi currency support (US And CAD) Search engine friendly pages Price Alerts for visitors Email a friend feature Clickthrough tracking and reporting Automatic thumbnail generation using GD or imagemagick Auto-Crawler, for crawling merchants' websites to get products and prices (It is useful if a particular merchant dont support datafeeds) DataFeeed Import, for importing products from any affiliate datafeed and automatically creating products Merchant Area for merchants to manage their product prices, view clickthrough reports, update their profile and company logo Administrator Area for administrator to manage every feature of site W3C compliant public design Search within search Sitemap (HTML/Text formats) Merchant Profiles Improved admin panel with category imports and email registered users/merchants features We also want a template of this site so that furthur modification in design can be done easily. Multi language support if its possible(specially Greek,Turkish,Welsh) Multi currency support Search engine friendly pages Price Alerts for visitors Email a friend feature Clickthrough tracking and reporting Automatic thumbnail generation using GD or imagemagick Auto-Crawler, for crawling merchants' websites to get products and prices (It is useful if a particular merchant dont support datafeeds) DataFeeed Import, for importing products from any affiliate datafeed and automatically creating products Merchant Area for merchants to manage their product prices, view clickthrough reports, update their profile and company logo Administrator Area for administrator to manage every feature of site • Site must be compatible with all well known web browsers and must load as quickly as possible. • A full user guide must be included, explaining how the site, database and script work. This must also show how to customize the website, add or edit content, add/remove stores etc. • I need to have copyright ownership of the completed project. Site must be compatible with all well known web browsers and must load as quickly as possible. • A full user guide must be included, explaining how the site, database and script work. This must also show how to customise the website, add or edit content, add/remove products and providers etc. history of recent searches made by customers in the site along with a forums page. • Affiliate sales, affiliate tracking and link amendments. • Traffic information statistics to our site • I should Receive emails and read all "contact us page" info received within the admin area and able to reply. •Affiliate sales, affiliate tracking and link amendments. • Traffic information statistics to our site • Relatively easy for the admin to customise - add, delete, move, content/pages content manages the price comparison website for me. I would like the following to be included: Developed in PHP and MySQL is equiped with: - Product catalog (including featured products) - News letter sign up- to give latest information about offers - Clickthrough tracking and reporting - Automatic thumbnail generation using GD or imagemagick - Auto-Crawler, for crawling merchants' websites to get products and prices (It is useful if a particular merchant dont support datafeeds) - DataFeed Import, for importing rates from any affiliate datafeed and automatically creating products - Administrator Area for administrator to manage every feature of site - Search within search - Sitemap (HTML/Text formats) - Merchant online account, so that they can view information on traffic - Partner solutions also a forum / bulletin board product advice and queries e.g. product listings - or community whereby product questions are posted I prefer to have site in php, but if you think aspx would be a better/faster option, I'm open to suggestions. The website must be for the UK Market.