This pedal is spot on. It's built for both RAT-lovers and RAT-sceptics. But it's not a "transparent" overdrive, so cork sniffers beware! The turbo mode is so beautiful, a tad more polished than the classic mode but with a lot of energy and dynamics. I haven't used any pedal for distortion for a long while (just the amp gain) but this pedal is now a must on my pedal board. I use it as always on, turbo mode, low gain, low filter pushing a crunchy amp sound. A lovely heavy but clear tone, lifting the guitar sound in a band context. You could also get real nasty, trashy sounds out of it, in RAT territory.