I don't know much about combat sims, but I have a blast with X-Plane. It's highly realistic and can practically scale to any performance computer. It has some c

I don't know much about combat sims, but I have a blast with X-Plane. It's highly realistic and can practically scale to any performance computer. It has some combat-sim aspects, but I haven't played with that stuff enough to comment. Flying is tough enough for me without the weapons ;)