The new "Improvements" to the sped up animations seem a little too much, during the closed beta it felt like you had to tackle each situation more tactically, because you were left with little time to react enemy movements. Since the open beta has hit i feel like the animations, particularly the reload animation allow for more of a run and gun experience. Should your cover get blown you can just deal with all the enemies that head your way with little problem due to the new found superhuman speed, where as you had to really think about your reload and weapon swaps. There's no incentive to "vanish" anymore as you can just gun down the enemy waves.
I was really hoping to play a sharpshooter, and was extremely unsatisfied with the lack of ballistics, considering the sniper scopes have range-finding features. The bullet drop looks like it's there, but after testing scopes out over a 500M range you can SOMETIMES see the impact of the round "sparks", but you still see the round travelling after the impact indicator. 50+ rounds from a TAC50 from 500M does no damage to a helicopter, needless to say the maximum range of snipers are not very satisfying.
I was left a little disappointed to find that using a land mine on a behemoth tank immediately triggered his aggro to your location regardless of if you could be seen or not, I feel like he should go into "hunting" mode and not magically know my location and engage in combat.
Other than that I don't have much more feedback to provide, although i do like people idea to remove health regen on extreme, and have syringes restore 2 blocks of health.