CRJ1000
On 19 February 2007, Bombardier launched the CRJ1000, previously designated CRJ900X, as a stretched CRJ900, with up to 100 seats. The aircraft is scheduled to enter service in late 2009. Bombardier claims that it offers better performance and a higher profit per seat than the competing Embraer E-190.
MyAir has ordered 15 CRJ900Xs converted to the CRJ1000.[5] Atlasjet has also indicated interest in the new type.[3] There are currently 38 firm orders and 23 options for the aircraft.[6]
info :
http://www.bombardier.com/CRJ/en/NextGen/index.html