I also have a M-10dx which I don't use. Lots of bang-for-the-buck in terms of features but I found it almost TOO clean --- 'digital' or 'sterile' comes to mind. Doesn't have that nice 'analog' (warm) sound that I prefer. If you like pure crystalline sound with no 'color' added, this could work for you. JMO. Purely subjective.
chas
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"Faith means not wanting to know what is true." [Nietzsche]