Tried the game, here are my impressions:
First of all, it's WAAAY too realistic. In training mode I shot my instructor and they put me in jail! Pretty funny. I also don't like the fact that you have to register your username on the website, and then everything that happens to you within the game (stats) are uploaded to them.
As far as the game itself, it is definately a lot more technical than MOHAA. I'm a diehard MOHAA fan, but this game definately takes realistic combat further. It has some things from Ghost recon and from mohaa, and some of its own innovations. The servers are still a bit full and the ping is high, but the game is playable. The learning curve is definately higher than your average FPS.
As for the graphics, at 800x600 they are of lower quality than those of MOHAA, but I haven't tried it at higher resolution yet I doubt my comp can handle it.
I definately recommend trying this game - FREE FULL VERSION. In any case, tell me your feedback. peace!