Microsoft announced today that they are greatly enhancing Expedia to counter the competition from principally Travelocity controlled by Sabre. Apparently customers will now be offered 400! (four hundred) different itinerary's for a proposed trip if that many are available up from the current 7 to 9. The new system is called ESP Expert Searching and Purchasing. Travelocity was getting the lowest price 80% of the time on a trip itinerary while Expedia had the lowest fare only 48% of the time. And Expedia was getting a booking rate of a low 4.8% of viewers.