www.yahoo.com
www.twingine.com (yahoo+google)*
www.live.com
www.msn.com
http://www.information.com/
http://www.rollyo.com/
http://www.crawler.com/
http://www.kartoo.com
http://blogsearch.google.com
http://www.amazon.com/
http://schmedley.com/search/(Google+live search+yahoo)