[edited... to find updated file and link just scroll down]
I've tried to compare the filters of Triton Classic, Motif Rack ES and Virus B...
you can download the video here:
http://www.dedicatedtotriton.net/files/filters.mp4
Just some consideration
1 triton suffer a lot on the knob twisting poor resolution
2 motif rack es act differently than the other two when rising resonance while cutoff knob is at its max: the principal tone do not decrease in volume... (maybe my I've made some mistake programming the sound but the same happens to many patches I've tried)
regards, Lorenzo