Has anybody used any software tuners before? The intonation on my bass seems to be off, but I'm not sure how accurate the tuner is on my ME-50B, especially when not on open strings. The reason I say this is that it can't tune down the open E a whole step to D for **** with it. I've found a few online, but does anyone have links for good ones that they trust? BTW - I've got a good soundcard and mixer so getting and accurate bass signal into the computer is no problem.