Price compare Website

I need a price compare site to provide a complete and independent price and product comparison service to help consumers find the best online shopping deals. The platform can be based in jumla, drupal..,custom php or vb net asp net pages. The site must have the same look, feel, and functioning with another local site (info with PM). Site functionality: -search on typing -product spider for sites with no datafeed -ability for datafeed insertion, import csv -has to be able to handle an unlimited amount of products and merchants -a comprehensive click through tracking system -email system for admin to contact clients -ability for clients to by banner space within each individual catagory/subcatagory -admin panel - basic functions for backend and frontend -clients can also manually manage products( change /add / delete /enable /disable) -ability to change featured items on the front page -Deals of the day on the front page -most popular products More info with pm • I am looking for a long working relationship with the winning bidder for website maintenance and continued development. • Winning bidder will also have priority for several other web projects on hand if this project is done up to expectation