Guitar Pedal X - GPX Blog - Jackson Audio's 4th Pedal - the Belle Starr Overdrive seems to be an Extraction and Extrapolation of the Amp-like MOSFET Boost Circuit from the Prism
Guitar Pedal X - GPX Blog - Crazy Tube Circuits' V3 Stardust Blackface style Mosfet Overdrive delivers Three Times the Flavour of its predecessors