Please add an option to mute and/or alter the volume of the game's narration.  This is a fairly standard audio option...
However, I'd like to add a specific case example:  Shaxx doesn't have much motivational skills.  Start losing a match too hard, he starts yelling at you.  Every time a team takes the lead, he has to announce it, no matter how many times in a row in happens.  The priority for activated messages could use some work; sometimes "heavy ammo inbound" is replaced by a less important message, such as a change in the lead, then it's suddenly "heavy ammo available" with almost no chance to get near it.
						
					
					
				- 
   
	3 RepliesCalled turn volume down smart one