I actually picked my boss from some selling it in craigs list for 25$. It was kind of a rip-off though considering you can buy them new for 35 bucks.

This isn't mine, I'm just to lazy to take a picture of it...but yea, looks like he modded the switch by the tone... mine looks more like this.

Hey, Just wanted to see what kinds of distortion pedals people use..I've got the Boss DS-1.