Features are as follows:
-New Bell
-Mega Horn Pack (Not just for the SD40)
-New air sounds (not aliased to the Dash 9)
-New Engine Sounds (Obviously

-New Cab Sound environment (not aliased to the Dash 9)
-Realistic Sound Distance Fading
-New Realistic Start-up sequence
-And many more!
And now for the video. Sorry for the popping, no matter what video editor I use, popping occurs. I used Nero to edit.
http://www.youtube.com/watch?v=o1U_qy-WnyI