I've pretty much been playing since release. Ignore the singleplayer other than to test the maps out the first time round and play it entirely as a multiplayer experience. Its still got some pretty bad bugs on the pc. (sound routinely cuts out for all players on one map and I occasioanlly get a bug where all enemy sprites dissapear) but im still enjoying the game. And while the smgs and Assualt rifles may all feel the same, there are enough different weapons to balance out gameplay.