The problem with DCS is the way they release aircraft and the completely random choices of aircraft.
You don't fire up people to fly online, when you have a Russian Hellicopter on one side and an American Attack Aircraft. You can't create a good competitive online environment this way.
The P-51 is a completely retarded choice as the next DCS plane.
There's nothing in their sim at the moment to create a good scenario for that aircraft. Anything more or less modern, would be right at home, with all the stuf already modeled.
Now they'll throw in a ww2 aircraft to go with the S300, Tunguska and the A-10. What a logical choice.