I've been trying to figure out how to do this for quite a bit without using my aux/record port on my mixer so I can still have that one setup to record through traktor. What I have for a setup is Traktor audio 10, macbook pro with lion osx, a stanton m203 mixer, 2 1200s, and some monitors. Mixlr & Soundflower don't register anything on any port of my traktor audio 10. I'm trying to avoid running the record port into my line in. Any help with this is greatly appreciated.