MPC 4000 vs. MPC 25000

I havent seen a real good discussion on this, only "look at the comparison chart at AKAI" which is just specs. I dont want to talk about specs, more about functionality and how you like it from people who have tried both.

I'm going to purchase either the 2500, the 4000 or the MV-8000 within the next week so I'm just trying to narrow it down from 3 to 2