Running Traktor to mix live, using either S2/S4, depending who brought their toy. I have my own APC40 which I use for instant-grat and additional hotcues/control.
2 x 5.25" Mackie Studio Monitors
1 x 10" KRK Sub
AKG K240 Headphones
Wish I had somewhere to take it so that I could turn it up, but living in my apartment kinda keeps it low.
Looking to pick up the Z2 and some CDJs for my own purposes, but I ain't that ballin yet and will continue to mix on the APC/kontrol whatever until then.
Oh and somehow I forgot the most important part of my set-up: a plaque I found on the road that now hangs behind my rig as motivation for producing and mixing: