hey guys.
first of all, nice forum. really interesting stuff to read and nice people! good work
i also have this problem with tf2. and it is a network problem.
my net settings are fine and the pings on different servers are alright. but nevertheless it feels like i would be having a ping of 200ms or something.
i have to say, without wanting to attack anyone, i think this will only be noticed by more advanced players who move quickly and are usually on top of the scoreboard

here, take a look at these two screenshots of my net_graph:
i have absolutely no clue what causes this. again - this is a lag / connection problem, not an fps issue