Does anyone trust the demo's to buy a pedal or must it be heard first person? I've often listened to a lot of people demonstrating pedals online, but their technique, gear, and recording methods can alter anyone's opinion. Would you buy a pedal based soley on those demo's or would you have to try it first? I usually find a demo on line then try it myself. Plus, I also look for a used one prior to buying a new one.