I will add to this thread.
I've had my RZX three weeks and whilst the overall theory of it being a 'beast' is undeniable, this thing needs SO much power you simply cannot run anything else alongside RBDJ if you want an experience anywhere NEAR normal.
My MacBook is a 2.6GHz i7 with 16GB RAM and whilst it'll run fine on it's own with RBDJ, if I want to run some streaming software too - just forget it. No chance of performing a set what-so-ever.
Everything slows to a halt. Color FX are laggy, the pad switch buttons are laggy, the whole experience just isn't up to standard that you'd expect from a £2,500 piece of equipment - an apparent "flagship" controller.
Having had the unit three weeks I'm not not in a position to return to the store here in the UK that I bought it from, so I am literally in the hands of Pioneer to fix the laggy feel and the rest of the bugs out there - for which there are absolutely tonnes.
But as Scott Ullrich says above... how can you guys not put the RZ jogs into your flagship unit?