hi guys... im not a new member here. but its been long im online SF and elitepvper.... just wanna know that what is USF AND PSF?? this kinda funny as its been 3 years since i played SF and log in to this elitepvpers.. haha! so wth is PSF and USF... usually i played the US SF... and hmm.. leech?? wtf is that?? kinda hard to understand what u guys talking about with the word that i dunno.. XD soo plz answer and any ans will be appreciated... and btw is there any working AIMPOINT???? XDD