only thing i have changed on my valveking is the speaker to a V30. It changed the tone alot and I am still not sure if it was for the better to my ears at least. Anyway, thats another topic and its an amp I really dont plan on keeping forever.
By no means the MM is a very snappy pickup but what i meant is that despite its dark tone it doesnt lose edge and percussion on the attack. Its that edge the highs give it that i like. I also love the fact the fat strings sound so tight and deep.