Was playing as US on that Black-Hawk-Down-ish map today and we had some really high casualties in close quarters. Insurgents were swarming us from all sides, pumping short-ranged full auto fire into my squad, constantly maneuvering and taking out squad members. Only thanks to two very dedicated and brave medics we managed to get out of this mess again (only to end up dead after our transport chopper dropped us too close to a cache). "Hi!" to AfterDune who also frequents this forum and who was in my squad as well, btw.
The best feature in 1.0 is the integrated Mumble, though. Local voice chat is just awesome, it allows you to directly communicate with people around you, making the gaming experience even better, because it provides players with a tool to cooperate even more and encourages teamwork on a whole new level. Picking up stragglers, communicating with vehicle crews and talking to players who arenĀ“t part of your squad just got so much easier and enables them to coordinate complex maneuvres easily.
Also, back up iron sights are awesome and the new effects look great! IMO PR has shown what a hard working and dedicated dev team is capable of, even with a years old game engine. One of the best releases of the year.