Reply to My ultimate controller for Traktor FX

I doubt I'm the first person to say anything about this, but I haven't been able to find anything else similar. I want to have complete control over all 4 of traktor's FX units as well as enough buttons for cuepoints etc. Here are the major things I'm looking for.

* Scratchable crossfaders for the wet/dry of each effect.
* Dedicated knobs and buttons for each FX deck.
* Pads for hotcue's or loop control.
* Extra knobs for filter/key that could also be used as super knobs, or 2 deck EQ control.
* Buttons for mode switching ie switch between hotcues and loop control.

Right now my concept has a total of 56 controls.
*20 knobs
*4 faders
*16 buttons
*16 pads

If I make this custom it looks like the livid instruments diy controller would have what it takes. I'm just not sure about where to get the rest of the controls. Particularly the pads/buttons since everything else I see just uses the arcade buttons. Would I just have to forget that part, and use an Akai instead?