How much sound difference does everyone think that a set of Bart soaps and a pre would affect a Dean Edge Q5 fretless?? I really, really like how these things play but think it might need those two upgrades for it to really sing. Thoughts?? It'll be through a Demeter 201s and Schroeder 1210. I'm possibly choosing this over a MM5 or Spector Euro 5, so it's a pretty big deal!