shopping Comparison/Shopping Agent Scripts

We are looking for a script/clone of a shopping agent or shopping comparision site. Here are examples of shopping agents: [login to view URL] [login to view URL] [login to view URL] [login to view URL] In your PM let us know how your clone/script will work. What we need: [login to view URL] to upload feed [login to view URL] to get listed on search engines 3. search friendly urls Please let us know how fast we can have the script/clone installed and if you can provide us with a language file so that we can translate it into other countries. It would also be nice if it could have the ability to charge for clicks.