Qantas Airways has ordered 31 Boeing Next-Generation 737-800s, in addition to 38 previously ordered. The airline plans to incorporate the latest in-flight entertainment technology and selected the 737 for its low fuel burn and low maintenance costs. The Boeing Next-Generation 737 family has more than 4,300 orders, and has unfilled orders for nearly 1,900 airplanes worth more than $135 billion at current list prices.