TC Electronic just unveiled their new Quintessence Harmonizerand the guys from That Pedal Show checked it out while at GuitCon.
More from the manufacturer’s website:
Quintessence Harmonizer is a state-of-the-art intelligent harmonizer pedal featuring expressive MASH technology and powerful TonePrint® customization.
Beefing up your sound in any musical style from country or southern rock harmonies to Thin Lizzy-esque twin riffs and screaming metal leads, Quintessence follows your every whim with perfectly harmonized notes in a wide variety of modes and scales.
With MASH, Quintessence can bend the harmonized notes without you moving a finger, momentarily harmonize just a few bars
More info here.