ok i have 1 atv right now and im using my mac mini as the mac everything streams from. ive made a user named apple tv and i leave itunes running at all times. now my question is if i add two more atv to that same library. will i have interference on any atv if some tries to watch them at the same time? also if i have 3 iOS devices as controllers will they interfere as well?
	
		
			
		
		
	
				
			
tv2s simultaneously, provided your network infrastructure can handle the traffic. If your router is an Airport Express, and there are several WiFi devices in addition to your