This poor little Heli often gets over looked by simmers and its Freeware, from Eagle Rotorcraft Simulations
The Enstrom 280FX
Simviation Link : http://simviation.com/1/search?submit=1&keywords=enstrom&x=0&y=0
short video I made
[youtube]http://www.youtube.com/watch?v=Zn0L3FcpX70[/youtube]