I played late last year and enjoyed the ground war. The air war is largely a waste of time and effort, but most people know that, The battle in the fields are unsurpassed in any game.
You get some genuine 'Wow!' moments. The graphics are dated, but functional - the only thing that annoys is the un-FPS view system with the infantry and some of the more annoying bugs. I guess they are fixing each as time goes on.
The comms system is abysmal, and like Vulcan says, the only way to do it is to have teamspeak on.
The only problem is the game requires alot of free time to get the most out of it at the moment. Lot's of travelling around involved, if you want to find the big fights. Hopefully they will remedy this soon.
Overall, it's worth a look.