In case you didn't know.......
http://www.steve-lacey.com/blogarchives/2006/03/flight_simulato_7.shtml
This guy above is a member of the Microsoft fsx design team and he occasionally makes crypitc comments about the new sim on his blog.
I am sure that these somments are not exactly "casual" ones....and likely reflect an orchestrated part of official Miscoroft marketing efforts...... but they are interesting reading while we wait for the reality.
best,
.......john