I just pre-ordered DCS P-51D with DCS World, so I was able to fly the Beta version, man I'm impressed.
They've taken the fidelity of FSX and added the ability to shoot and blow stuff up, not only that, you can shoot and blow stuff up in MP.
The P-51D is exquisite, the best 3D modelling I've seen in a sim and has a better FM and DM than anything I've used. If DCS was to add an adversay aircraft, like say the FW-190D
hmmmm
Hurry up Illya ... I'm getn cold feet here