I use the controller configuration where Melee is on the R3 stick. Many times, during the heat of battle, I'll be in a face-off with an opponent and will accidentally put too much pressure on the R3 stick, which causes my character to suddenly stop firing and attempt to melee the air. More often than not, this gets me killed.
Medal of Honor had this same issue which was really annoying. This is one feature that Call of Duty got right. In COD, whenever you are holding down the fire button any melee clicks are ignored.
Does anyone else have this issue? Is this just a PS3 issue?