The Carenado Saab 340 for FSX/P3D has just been released -
http://www.carenado.com/CarSite/Portal/index.php
http://www.carenado.com/CarSite/Portal/index.php
Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.
Interesting they are doing a lot of these now defunct regional turboprops - which are also likely to continue in service in the real world for some time yet.