Excellent feature request, voted up!
Love Impact for its tight integration with the arrange view so this is a little frustrating to work around as you have to do visual fine tuning of samples in the Arrange View if you want to copy them to multiple drum pads later, since those micro edits are not easily transferable from pad to pad.
For example this comes up when honing in on a piece of a sample, putting it on five or six pads, and changing the pitch or filter settings on each pad.
This means leaving an extra Scratch Pad dedicated to samples etc- it would be easier to be able to simply keep it all compartmentalized in Impact.
