1 – classic whammy with no alteration of dry sound when the pedal is up.

2 – polyphonic pitch shifter with level pan and filter controls.

3 – intelligent 3 part harmonizer (duh).

4 – doubling / detuning effect.

5 – classic analog (Boss OC2) style 1 / 2 octave down.

6 – octavia style "dirty octave"

7 – you should have control over wet AND dry level and panning, and a good control for pitchshifted tone / timbre

8 – also could include multiband processing for pitchshifting and distortion.