IHT Tips and list for finding cheap fares

An extract of a list of the websites mentioned in the following article:
Tips on finding cheap fares from Europe to Asia - International Herald Tribune
the best Web sites for buying discounted business-class tickets to Asia
The list:
http://www.travelonweb.com
http://www.oag-flights.com
http://www.sidestep.com
http://www.opodo.com
http://www.expedia.com
http://www.trailfinders.com
http://airline-network.co.uk
http://www.zuji.com (I’ve used this often, my latest booking of a flight to Israel wasn’t that smooth..)