Lot less competent comments than you'd expect...
This game is great, and it isn't even finished. I've not been playing it long, only discovered it last year.
This game used to have 1 rifle, and 1 grenade. Now, the weapons for each side are different, and give you more of an idea of your surroundings. You can tell whether an ally is nearby without looking for them by the sound of their rifle, and the distance from it to you roughly.
I also really just enjoy the method of play. The back and forth system. You have a small window of time to push up your objective, teamwork and squad co-ordination are important here. And how a heavily pressed team can make a comeback on an attack phase, what with the breathing room they are given, and the opportunity to push up, rather than hold. This game isn't even finished yet, and it already has so many things about it that make it unique from a lot of other FPS'es that I have played.
Thanks for such a cool game!