More weapons:
Assault rifle. More accurate than smg, slower than smg and more recoil.
Machinegun. Less accurate than assault rifle but faster than smg. Quite fast and big mags.
rebalanced smg, very fast, less damage and accuracy.
pistol (not sure): slower than this weapons but accurate.
You can also choose your class and mark your favourite as default:
check this viewtopic.php?f=63&t=7938
Soldier: can place 1 ammo box.
Medic: can place 1 health box
Engineer: can use a missle launcher with a few ammo. A bonus in destroying blocks and more blocks available.
Box can be used by everyone. LImited number of uses. You can't use the same box two times.