The 2142 engine is a lot more advanced than BF2. An old PR DEV switched to 2142 and has made things such as 3D cockpits where all the instruments work and the ability to adjust the sniper scope based on the distance.

http://www.youtube.com/watch?v=E_f8U...layer_embedded

http://www.youtube.com/watch?v=nvnhP...496&feature=iv