Quick tip: you can use the snap isolate option in the properties of Reaktor panel controls to keep a parameter from changing when you change snapshots.
The above screenshot is from the “B” view of the Steam Pipe 2 front panel. I was getting sick of the godawful reverb slathered over every snapshot in the ensemble, so I turned off the reverb with its power control and set that control to snap isolate so it would stay off when I changed snapshots.
I’ll often do this when auditioning snaps in an ens, but not save a modified version of the ensemble… turns out that many of the snaps in Steam Pipe 2 are more sonically interesting when you hear them dry. 🙂