Okay. You've all had that. 10 pedals, 10 different power supplies with 10 different ways to plug them. With a bit of imagination you can solve it all, right ? Just, since the 9 V DC, negative pin, positive barrel, Boss style has pretty much taken over the world, why do some smartguys keep insisting on using their own obscure standard ? Other than selling their own brand of power supplies to newbies I mean.