I came across the "Phase Distortion Synth" because Christian Kleine excitedly told me about it. The Max for Live Instrument is a polyphonic wavetable synthesiser which uses various techniques of phase distortion in a feedback loop.
It also includes some virtual analog filter and a modulation matrix 5x8 and is overall quite extensive. The device is fully annotated with explanations of the various controls in the info display in Live.
This way for heaps more Max for Live devices & tips.