Anyone compared the Powerscreamer to one or both of the MI Auido Blues pedals? I get the impression that the Powerscreamer has a lot in common, more gain available, much much more clarity and note definition, etc. I get the impression that the MI Audio pedals get relatively smoother as the gain increases beyond a Tubescreamer, but the Powerscreamer gets more aggressive (or at least can.) But I haven't seen any direct comparisons. I'm not necessarily saying one is better than the other, but they must have some differences if I want just one pedal of this type.