This mod removes the sounds when you level up and when you advance to the next stage of a quest. Goes well with the "Quest Message Popup Removal" mod for immersion.
This is not much of a MOD as it is 3 silent wav files to override the level up bell and the quest chimes.
I think it works well with Quest Message Pop Up Removal:
Just drag the folder as is and drop it into the Oblvion\Data folder