However, keep in mind that KS has a few bugs. For example apparently the sprites including planets, moons, and suns don't show up in KS versions of the game (don't know if anyone ever patched it), so skies appear as plain blue/black background.
The addon packs were slightly buggy in sound, IIRC, maybe missing some of the speech voiceovers. And music cutting off, after playing a while.
But its certainly the most impressive as far as improved control schemes (better joystick support) and music. Although I don't know if the joystick support still functions with modern joysticks and gamepads.
Someone at the Wing Commander CIC is patching the errors in the Kilrathi Saga versions of WC1 and 2. Currently done with WC1 if I recall.
Google string: wcnews wcdx
Have fun, and encourage him to finish the rest of the patch, gently -_^