WIMPY WIMPY WIMPY
HEFTY HEFTY HEFTY
Clips! Only difference between the two is new strings and the new block. The second one (with the new block) doesn't sound as good as it could--I kept the settings on my amp modeler the same for this to be at least somewhat scientific. There is a clear difference in sustain, fullness and clarity.
I've been happy every time I change one out for brass.