I use Boss too, and i own both the SD-1 Super Overdrive and the DS-1 Distortion(the orange one) I use the ds1 for metallica or nirvana stuff mostly its a rhythme type of pedal but the sd1 makes a clean sound and is perfect for solos like randy rhoads. Zakk Wylde uses a sd1 and Jimmy Page uses a ds1 so its just a matter of how you like to sound.