Also are there any before and after examples to get a qualitative feel of the improvement?
Negative1 posted a short clip of ESB for comparison. You can get it here.
The bottom video is the filtered video, the top video is the original, unprocessed GOUT video. Please note: Negative1 used script v. 3.09b; the actual script (v. 4.00) is better than the one used for this one.