thumbs up! i like it, at least for training.
as i expected, it was pretty easy to get used to with automatic weapons, and for some reason i did better than expected using the barret, even with scope, but i had a really hard time rugering and deagling this way. you (or at least i) cant predict the accurate point im aiming at, just by looking at the way my dudes holding the rifle. and i dont dare to mention knife throwing...
... Intelligent use of audio and visual cues, combined with the power of critical thinking from the user, should be all you need for a successful game design.
damn, you wrote my thoughts! especially the reloading noises definitely do want to be well known for that.