I flew the R44 again today (a different one, no floats or glass panel). My instructor hadn't heard of the Vuichard technique by name, but when I explained it, he said, "we've just started teaching something very similar". Just using right cyclic to slide out of the VRS, no pedal. We tried it, it certainly works (for incipient VRS, not the fully developed beast) - whether it works faster/better than forward cyclic is hard to say.