A couple of things which I prefered in the first one is the gun layout when choosing, alot neater than 2.
Im not a fan of the weapon list, I prefer next and previous weapon.
Too many icons on the screen, who shot who should be at the bottom, preferably to the left. Where it is, makes your viewing area obscure.
When someone chats on screen a little sound when its received, different sounds for "all" and "team" would be nice.
"Enemy down" sound is very helpful, so when your team mate kills someone, and is next to you, you hear his "enemy down" aswell so you know that the person b