Originally Posted by 
Saurus
				
			 
			So far the ONLY reason I can see for buying an s4 would if you meet ALL THREE of these critera: 
1. you absolutely need a mixer AND deck controls AND timecode control,
2. you don't own an NI sound card
3. you can afford exactly $800 right now, and absolutely cannot wait until you can afford slightly more so you can get an audio 6 and a better controller.
If you don't meet ALL THREE of those, I have no idea why you wouldn't just buy a better controller, or a better controller and a Audio 6 DJ.