Identify the final product, and its first buyer.
Airbus A320neo & IndiGo
The Airbus A320neo will have the new ‘Sharklets’ wingtip design. The two options for the engines are the P&W PW1000G family and the CFM International LeapX engines.
Indigo has placed an order for 150 A320neo aircraft as on 13.01.2011
The Daily Grill !!! 
Airbus A320Neo Airplanes that use Pratt & Whitney’s PurePower geared turbofan as one of two engines, 1st Customer Virgin America
Airbus A380 – Singapore Airlines
AIRBUS A 320 A — INDIGO AIRLINES BY RAJIV BHATIA.
airbus A320NEO and IndiGo