Originally Posted By: AggressorBLUE
What we really need is a hybrid of the weapons/damage modeling/mission editing of DCS married to the open platform of FSX.


If you're willing to learn programming XML, C++ or NASAL, you've got the most open of platforms with FlightGear.
They already have a basic combat module. Extending it would not be in the "impossible" territory, but in the "very, very, VERY time intensive" one.
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-> http://code.google.com/p/fsx-dornier-328/ <-