Yes
Airbus A321
No. They are not moveable.
As of 2011, Airbus were selling their A320 model for $85million or £52million. The prices of its variants (A318, A319 and A321) are slightly different as the actual aircraft size is different.
The Airbus A321 has a service ceiling altitude of 41,000 ft / 12,500 m
The Airbus A321-200 has a designed range of 3,500 miles (5,600km). Newer modified variants with "winglets" can travel a bit further; 3,700 miles (5,950km).
3,000 nautical miles.
The take-off weight of an A 321 is 183,000 pounds.
138knots average
The Airbus A321 has a maximum certified seating capacity of 220 seats. However it is usually configured for 185 seats in a 2 class layout and 199 seats in a single class layout.
Air China have ordered 22 Airbus A320 and 27 A321.
The standard configuration of an Airbus A321 is for three seats either side of the aisle.