Pistols outpower Assault Rifles at Medium Range.
Shotgun killed me from medium-long range after 3 shots.
Heavy Machine Gun is just as accurate as Assault Rifle but is 1 hit kill.
Melee is doesn't hit when standing right next to someone - then in the next game hits when you're not even looking at someone.
Firing at long ranges is hopeless, even if firing 1 bullet at a time, unless you have a sniper rifle.
"Grendel" takes about twice as long as the Scar to kill someone because of the extremely long pause between bursts.
"Proximity Alarm" is pretty much useless - only works if enemies are on the same level as you, no indication of how big of an AoE it is - fairly short (10m) by the looks of it - by which distance you'll die.
"Cloak Tracker" doesn't seem to work.
Exp is extremely slow to gather - played 4 hours, only Level 14 - which is over average according to the leaderboards, only 2 people around me levelling quicker.
Game modes take extremely long to unlock - highest I've seen so far is Rank 38.
Constantly getting disconnected from whoever rolled host - even after putting my computers Ethernet into the PS3.
Certain maps are sniper heavens - can barely walk 5m without getting sniped if I don't use cloak.
Aim Assist is extremely OTT - someone shoots 1m away from me and hits.
Many objects with gaps between it and the concrete can't be shot through.
NAT type stuck on Moderate.
Constantly being thrown in lobbies with 1 person - or being thrown in a lobby I just left.
Team Balancing is broken - 2 v 5 often happens - unbalanced levels on either side happens also, even in Solo (so no squads)
Bloom is over on certain maps - can barely see down my sight at times - can barely see the scores or kills very often.
Did I mention no dedicated servers yet?