Midas Well’s set up
this is my set up so far. although it seems to be growing on a monthly basis 
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Traktor Pro 2
2x Vestex PDX-a1 MKII
Kontrol S4
Korg PadKontrol
Oxygen8
KRK Rokit 8’s + Rokit 10 sub
The S4 is my must have since it controls EVERYTHING in traktor. I have the midi fighter Instant Grat mapping modded to 2 scenes of the padkontrol. 1 for deck A and 1 for deck B. the other scenes are mainly for effects but one is for cues for decks A/B.
The oxygen8 is mapped to control sample decks C/D. This gives me control over them w/out having to change focus on the s4 (which also freed up the sample play buttons to use for hotcues/beatjumps).
As of now the turntables are being run thru the live inputs in Traktor. Hopefully soon i will upgrade to Traktor Scratch, but for now they run thru.