While everybody is focused on shaded rivets, mirage effects and other eye-candy, flight simulation is still primarily about aerodynamics. So far there is no information about advances in this department, and MS announcement sounds like a major upgrade of graphics and interactivity. So it is likely that FSX will still sport good old table-based aerodynamics model, with well-known limitations such as jerky movements of gauges and unrealistic climb rates at low altitudes... For me, true revolution would be changing table-based model into computational model. Perhaps it is time for Microsoft to go and buy X-Plane blade element technology, or create its own! Finally, MSFS could qualify for serious flight training device.
At the same time, I do understand all too well why things are going that way. Immutable laws of marketing dictate that additional computing power of dual CPU systems should be used for shaded rivets rather than for computational aerodynamics model. Because who cares about accurate, realistic and smooth aerodynamics? Certainly not the majority of flightsim crowd. Accurate dynamics is not even visible on screenshots, while shaded rivets certainly are! They make most people gasp in awe :-) And they will boost sales.
Still, it would be interesting to have an opinion poll:
Would you prefer to see in FSX (A) Even nicer graphics, such as shaded rivets (B) New revolutionary computational flight model, similar to X-Plane's?
Obviously, we cannot have both. So one will be sacrificed for the other. My gut feeling is, the choice has already been made...