Let's hope a more realistic and indetail wounding system with PhysX and new features added. To see your opponent drop like a sack of bricks would be much more satisfying.
Dismemberment, blood and gore. Who cares? As long as it works properly.
It's about time they made ammunition do the damage not the weaponary, that will change the game and bump it towards realism. Weaponary can still account for it's external factors like velocity, reliability and stability. The damage system should be different when comparing to vehicular material, construction material and soft tissue.
If BIS give you the basics then the community and modders can expand on that.