Mine showed up today. About five minutes on the Mesa TC-100 on the clean channel. I've been playing the KL-380 triple soapy. With the guitar straight into amp, with the gain pegged on the clean channel, is still pretty much clean. Maybe very some slight fur on the bridge pickup with the volume on 10. With the Mary Cries compressor with the pedal gain about 9 'o'clock it will break up a bit, and can be pushed a bit more. With the "remorse sleet" (I'm running out of rhyming nick names), the reaction is pretty similar with the gain at 9 o'clock, treble and bass at noon, voice about 2 o'clock. I didn't have enough time to try much else. You can turn the gain all the way down, and it's - wait for it - less gainy. And you can turn it all the way up, and... The voice knob is cool, and has more effect than YouTube demos would make me think. All the way left, and it gets kinda sharp, grainy, raspy like the Blues Driver seems to, to me. All the way right is smoother, maybe more liquid sounding? Anyway, so far after just a few minutes, I like it a bit right of center. I'm pretty sure it will bump the Blues Driver. I never really gelled with that pedal, except as a sort of clean boost with the gain down, level at unity +/- and the tone a bit right of center. Anyway, a keeper. It seems to play really nice with the Mary Cries, at least from what I could tell in the couple minutes I messed with it. Funny side note - I set it on the amp, plugged the guitar in, and plugged it straight into the amp. I couldn't figure out why it didn't work. Silent when the foot switch was on, and pass through worked. I figured it got killed in shipping. Then I realized it needed power... Age plays nasty tricks on a guy. That's all I've got so far.