Great work! I actually made something similar 15 years ago with a P2P social networking angle: You could hide/promote results based on your friends' reccomendations.
Check out some old screenshots from Firefox version 1.0: http://getoutfoxed.com/screenshots
It went viral on del.icio.us and let to me taking venture funding to found www.lijit.com, which lives on now as http://sovrn.com/