httpv://www.youtube.com/watch?v=VlPkQtreK7I&feature=player_embedded
This video shows a FS2004 mention but the new Boeing 787 offered for free to the community can also be found for FSX. Thanks to TDS : Tenkuu Developers Studio.
Turbine Sound Studios “TSS” is working on a specific soundset as you can hear, featuring the Rolls Royce Trent 1000 engines.