Screens and videos released today...
http://www.overclock.net/t/1367383/ah-g ... s-released
http://www.youtube.com/watch?feature=pl ... 8vrbzNYEwM
I am VERY impressed at the amount of work they've put into this. Mechanics and visuals look solid. The best part is, it's only in Alpha.
Only thing I'm worried about is network stability. There were often many situations in ArmA II with mad desync. I hope they've fixed that.